Home / 1,255,445.20-1,732,507.14-711,683.56

Finding the Fourth Proportional to 1,255,445.20, 1,732,507.14 and 711,683.56

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Solution

The fourth proportional to 1,255,445.20, 1,732,507.14 and 711,683.56 is: 982,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,445.20 : 1,732,507.14 = 711,683.56 : x
  2. Step 2: Convert to fraction form
    1,255,445.20/1,732,507.14 = 711,683.56/x
  3. Step 3: Cross multiply
    1,255,445.20x = 1,732,507.14 × 711,683.56
  4. Step 4: Simplify right side
    1,255,445.20x = 1,232,996,849,120.62
  5. Step 5: Solve for x
    x = 1,232,996,849,120.62/1,255,445.20
  6. Step 6: Final answer
    x = 982,119.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.