Home / 865,788.60-1,298,682.90-706,356.30

Finding the Fourth Proportional to 865,788.60, 1,298,682.90 and 706,356.30

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Solution

The fourth proportional to 865,788.60, 1,298,682.90 and 706,356.30 is: 1,059,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,788.60 : 1,298,682.90 = 706,356.30 : x
  2. Step 2: Convert to fraction form
    865,788.60/1,298,682.90 = 706,356.30/x
  3. Step 3: Cross multiply
    865,788.60x = 1,298,682.90 × 706,356.30
  4. Step 4: Simplify right side
    865,788.60x = 917,332,848,117.27
  5. Step 5: Solve for x
    x = 917,332,848,117.27/865,788.60
  6. Step 6: Final answer
    x = 1,059,534.45

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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.