Home / 1,170,135.90-1,614,306.68-711,176.52

Finding the Fourth Proportional to 1,170,135.90, 1,614,306.68 and 711,176.52

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Solution

The fourth proportional to 1,170,135.90, 1,614,306.68 and 711,176.52 is: 981,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,135.90 : 1,614,306.68 = 711,176.52 : x
  2. Step 2: Convert to fraction form
    1,170,135.90/1,614,306.68 = 711,176.52/x
  3. Step 3: Cross multiply
    1,170,135.90x = 1,614,306.68 × 711,176.52
  4. Step 4: Simplify right side
    1,170,135.90x = 1,148,057,006,895.15
  5. Step 5: Solve for x
    x = 1,148,057,006,895.15/1,170,135.90
  6. Step 6: Final answer
    x = 981,131.34

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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.