Home / 1,340,558.60-2,010,449.10-487,531.40

Finding the Fourth Proportional to 1,340,558.60, 2,010,449.10 and 487,531.40

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Solution

The fourth proportional to 1,340,558.60, 2,010,449.10 and 487,531.40 is: 731,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,558.60 : 2,010,449.10 = 487,531.40 : x
  2. Step 2: Convert to fraction form
    1,340,558.60/2,010,449.10 = 487,531.40/x
  3. Step 3: Cross multiply
    1,340,558.60x = 2,010,449.10 × 487,531.40
  4. Step 4: Simplify right side
    1,340,558.60x = 980,157,064,351.74
  5. Step 5: Solve for x
    x = 980,157,064,351.74/1,340,558.60
  6. Step 6: Final answer
    x = 731,155.70

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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.