Home / 1,036,894.90-1,555,342.35-288,940.90

Finding the Fourth Proportional to 1,036,894.90, 1,555,342.35 and 288,940.90

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Solution

The fourth proportional to 1,036,894.90, 1,555,342.35 and 288,940.90 is: 433,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,894.90 : 1,555,342.35 = 288,940.90 : x
  2. Step 2: Convert to fraction form
    1,036,894.90/1,555,342.35 = 288,940.90/x
  3. Step 3: Cross multiply
    1,036,894.90x = 1,555,342.35 × 288,940.90
  4. Step 4: Simplify right side
    1,036,894.90x = 449,402,018,417.12
  5. Step 5: Solve for x
    x = 449,402,018,417.12/1,036,894.90
  6. Step 6: Final answer
    x = 433,411.35

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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.