Home / 1,036,863.45-1,555,295.18-288,909.45

Finding the Fourth Proportional to 1,036,863.45, 1,555,295.18 and 288,909.45

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Solution

The fourth proportional to 1,036,863.45, 1,555,295.18 and 288,909.45 is: 433,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,863.45 : 1,555,295.18 = 288,909.45 : x
  2. Step 2: Convert to fraction form
    1,036,863.45/1,555,295.18 = 288,909.45/x
  3. Step 3: Cross multiply
    1,036,863.45x = 1,555,295.18 × 288,909.45
  4. Step 4: Simplify right side
    1,036,863.45x = 449,339,473,596.90
  5. Step 5: Solve for x
    x = 449,339,473,596.90/1,036,863.45
  6. Step 6: Final answer
    x = 433,364.18

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.