Home / 1,313,660.60-1,970,490.90-714,390.20

Finding the Fourth Proportional to 1,313,660.60, 1,970,490.90 and 714,390.20

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Solution

The fourth proportional to 1,313,660.60, 1,970,490.90 and 714,390.20 is: 1,071,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,660.60 : 1,970,490.90 = 714,390.20 : x
  2. Step 2: Convert to fraction form
    1,313,660.60/1,970,490.90 = 714,390.20/x
  3. Step 3: Cross multiply
    1,313,660.60x = 1,970,490.90 × 714,390.20
  4. Step 4: Simplify right side
    1,313,660.60x = 1,407,699,388,149.18
  5. Step 5: Solve for x
    x = 1,407,699,388,149.18/1,313,660.60
  6. Step 6: Final answer
    x = 1,071,585.30

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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.