Home / 711,035.60-1,067,136.60-687,707.60

Finding the Fourth Proportional to 711,035.60, 1,067,136.60 and 687,707.60

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Solution

The fourth proportional to 711,035.60, 1,067,136.60 and 687,707.60 is: 1,032,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,035.60 : 1,067,136.60 = 687,707.60 : x
  2. Step 2: Convert to fraction form
    711,035.60/1,067,136.60 = 687,707.60/x
  3. Step 3: Cross multiply
    711,035.60x = 1,067,136.60 × 687,707.60
  4. Step 4: Simplify right side
    711,035.60x = 733,877,950,058.16
  5. Step 5: Solve for x
    x = 733,877,950,058.16/711,035.60
  6. Step 6: Final answer
    x = 1,032,125.47

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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.