Home / 1,555,559.40-2,331,495.90-656,999.40

Finding the Fourth Proportional to 1,555,559.40, 2,331,495.90 and 656,999.40

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Solution

The fourth proportional to 1,555,559.40, 2,331,495.90 and 656,999.40 is: 984,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,559.40 : 2,331,495.90 = 656,999.40 : x
  2. Step 2: Convert to fraction form
    1,555,559.40/2,331,495.90 = 656,999.40/x
  3. Step 3: Cross multiply
    1,555,559.40x = 2,331,495.90 × 656,999.40
  4. Step 4: Simplify right side
    1,555,559.40x = 1,531,791,407,402.46
  5. Step 5: Solve for x
    x = 1,531,791,407,402.46/1,555,559.40
  6. Step 6: Final answer
    x = 984,720.61

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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.