Home / 1,374,841.20-2,062,553.40-415,331.40

Finding the Fourth Proportional to 1,374,841.20, 2,062,553.40 and 415,331.40

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Solution

The fourth proportional to 1,374,841.20, 2,062,553.40 and 415,331.40 is: 623,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,841.20 : 2,062,553.40 = 415,331.40 : x
  2. Step 2: Convert to fraction form
    1,374,841.20/2,062,553.40 = 415,331.40/x
  3. Step 3: Cross multiply
    1,374,841.20x = 2,062,553.40 × 415,331.40
  4. Step 4: Simplify right side
    1,374,841.20x = 856,643,191,196.76
  5. Step 5: Solve for x
    x = 856,643,191,196.76/1,374,841.20
  6. Step 6: Final answer
    x = 623,085.19

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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.