Home / 1,432,281.50-1,976,598.15-787,750.46

Finding the Fourth Proportional to 1,432,281.50, 1,976,598.15 and 787,750.46

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Solution

The fourth proportional to 1,432,281.50, 1,976,598.15 and 787,750.46 is: 1,087,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,281.50 : 1,976,598.15 = 787,750.46 : x
  2. Step 2: Convert to fraction form
    1,432,281.50/1,976,598.15 = 787,750.46/x
  3. Step 3: Cross multiply
    1,432,281.50x = 1,976,598.15 × 787,750.46
  4. Step 4: Simplify right side
    1,432,281.50x = 1,557,066,101,897.65
  5. Step 5: Solve for x
    x = 1,557,066,101,897.65/1,432,281.50
  6. Step 6: Final answer
    x = 1,087,122.96

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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.