Home / 1,129,882.42-1,559,268.19-664,768.76

Finding the Fourth Proportional to 1,129,882.42, 1,559,268.19 and 664,768.76

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Solution

The fourth proportional to 1,129,882.42, 1,559,268.19 and 664,768.76 is: 917,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,882.42 : 1,559,268.19 = 664,768.76 : x
  2. Step 2: Convert to fraction form
    1,129,882.42/1,559,268.19 = 664,768.76/x
  3. Step 3: Cross multiply
    1,129,882.42x = 1,559,268.19 × 664,768.76
  4. Step 4: Simplify right side
    1,129,882.42x = 1,036,552,781,173.74
  5. Step 5: Solve for x
    x = 1,036,552,781,173.74/1,129,882.42
  6. Step 6: Final answer
    x = 917,398.80

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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.