Home / 1,180,781.56-1,771,041.12-422,592.40

Finding the Fourth Proportional to 1,180,781.56, 1,771,041.12 and 422,592.40

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Solution

The fourth proportional to 1,180,781.56, 1,771,041.12 and 422,592.40 is: 633,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,781.56 : 1,771,041.12 = 422,592.40 : x
  2. Step 2: Convert to fraction form
    1,180,781.56/1,771,041.12 = 422,592.40/x
  3. Step 3: Cross multiply
    1,180,781.56x = 1,771,041.12 × 422,592.40
  4. Step 4: Simplify right side
    1,180,781.56x = 748,428,517,399.49
  5. Step 5: Solve for x
    x = 748,428,517,399.49/1,180,781.56
  6. Step 6: Final answer
    x = 633,841.64

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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.