Home / 1,182,012.40-1,772,500.20-471,804.40

Finding the Fourth Proportional to 1,182,012.40, 1,772,500.20 and 471,804.40

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Solution

The fourth proportional to 1,182,012.40, 1,772,500.20 and 471,804.40 is: 707,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,012.40 : 1,772,500.20 = 471,804.40 : x
  2. Step 2: Convert to fraction form
    1,182,012.40/1,772,500.20 = 471,804.40/x
  3. Step 3: Cross multiply
    1,182,012.40x = 1,772,500.20 × 471,804.40
  4. Step 4: Simplify right side
    1,182,012.40x = 836,273,393,360.88
  5. Step 5: Solve for x
    x = 836,273,393,360.88/1,182,012.40
  6. Step 6: Final answer
    x = 707,499.68

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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.