Home / 1,374,839.20-2,062,550.40-415,329.40

Finding the Fourth Proportional to 1,374,839.20, 2,062,550.40 and 415,329.40

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Solution

The fourth proportional to 1,374,839.20, 2,062,550.40 and 415,329.40 is: 623,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,839.20 : 2,062,550.40 = 415,329.40 : x
  2. Step 2: Convert to fraction form
    1,374,839.20/2,062,550.40 = 415,329.40/x
  3. Step 3: Cross multiply
    1,374,839.20x = 2,062,550.40 × 415,329.40
  4. Step 4: Simplify right side
    1,374,839.20x = 856,637,820,101.76
  5. Step 5: Solve for x
    x = 856,637,820,101.76/1,374,839.20
  6. Step 6: Final answer
    x = 623,082.19

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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.