Home / 1,038,140.20-1,556,691.90-476,540.20

Finding the Fourth Proportional to 1,038,140.20, 1,556,691.90 and 476,540.20

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Solution

The fourth proportional to 1,038,140.20, 1,556,691.90 and 476,540.20 is: 714,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,140.20 : 1,556,691.90 = 476,540.20 : x
  2. Step 2: Convert to fraction form
    1,038,140.20/1,556,691.90 = 476,540.20/x
  3. Step 3: Cross multiply
    1,038,140.20x = 1,556,691.90 × 476,540.20
  4. Step 4: Simplify right side
    1,038,140.20x = 741,826,269,364.38
  5. Step 5: Solve for x
    x = 741,826,269,364.38/1,038,140.20
  6. Step 6: Final answer
    x = 714,572.34

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Double scale
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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.