Home / 711,027.60-1,067,124.60-687,699.60

Finding the Fourth Proportional to 711,027.60, 1,067,124.60 and 687,699.60

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Solution

The fourth proportional to 711,027.60, 1,067,124.60 and 687,699.60 is: 1,032,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,027.60 : 1,067,124.60 = 687,699.60 : x
  2. Step 2: Convert to fraction form
    711,027.60/1,067,124.60 = 687,699.60/x
  3. Step 3: Cross multiply
    711,027.60x = 1,067,124.60 × 687,699.60
  4. Step 4: Simplify right side
    711,027.60x = 733,861,160,570.16
  5. Step 5: Solve for x
    x = 733,861,160,570.16/711,027.60
  6. Step 6: Final answer
    x = 1,032,113.47

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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.