Home / 1,551,421.80-2,327,132.70-486,462.15

Finding the Fourth Proportional to 1,551,421.80, 2,327,132.70 and 486,462.15

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Solution

The fourth proportional to 1,551,421.80, 2,327,132.70 and 486,462.15 is: 729,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,421.80 : 2,327,132.70 = 486,462.15 : x
  2. Step 2: Convert to fraction form
    1,551,421.80/2,327,132.70 = 486,462.15/x
  3. Step 3: Cross multiply
    1,551,421.80x = 2,327,132.70 × 486,462.15
  4. Step 4: Simplify right side
    1,551,421.80x = 1,132,061,976,577.31
  5. Step 5: Solve for x
    x = 1,132,061,976,577.31/1,551,421.80
  6. Step 6: Final answer
    x = 729,693.23

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Double scale
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Similar ratio
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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.