Home / 1,256,302.20-1,884,453.30-752,417.40

Finding the Fourth Proportional to 1,256,302.20, 1,884,453.30 and 752,417.40

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Solution

The fourth proportional to 1,256,302.20, 1,884,453.30 and 752,417.40 is: 1,128,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,302.20 : 1,884,453.30 = 752,417.40 : x
  2. Step 2: Convert to fraction form
    1,256,302.20/1,884,453.30 = 752,417.40/x
  3. Step 3: Cross multiply
    1,256,302.20x = 1,884,453.30 × 752,417.40
  4. Step 4: Simplify right side
    1,256,302.20x = 1,417,895,452,407.42
  5. Step 5: Solve for x
    x = 1,417,895,452,407.42/1,256,302.20
  6. Step 6: Final answer
    x = 1,128,626.10

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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.