Home / 1,432,237.00-1,976,459.66-787,657.20

Finding the Fourth Proportional to 1,432,237.00, 1,976,459.66 and 787,657.20

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Solution

The fourth proportional to 1,432,237.00, 1,976,459.66 and 787,657.20 is: 1,086,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,237.00 : 1,976,459.66 = 787,657.20 : x
  2. Step 2: Convert to fraction form
    1,432,237.00/1,976,459.66 = 787,657.20/x
  3. Step 3: Cross multiply
    1,432,237.00x = 1,976,459.66 × 787,657.20
  4. Step 4: Simplify right side
    1,432,237.00x = 1,556,772,669,857.11
  5. Step 5: Solve for x
    x = 1,556,772,669,857.11/1,432,237.00
  6. Step 6: Final answer
    x = 1,086,951.86

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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.