Home / 1,176,902.13-1,765,615.63-428,948.13

Finding the Fourth Proportional to 1,176,902.13, 1,765,615.63 and 428,948.13

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Solution

The fourth proportional to 1,176,902.13, 1,765,615.63 and 428,948.13 is: 643,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,902.13 : 1,765,615.63 = 428,948.13 : x
  2. Step 2: Convert to fraction form
    1,176,902.13/1,765,615.63 = 428,948.13/x
  3. Step 3: Cross multiply
    1,176,902.13x = 1,765,615.63 × 428,948.13
  4. Step 4: Simplify right side
    1,176,902.13x = 757,357,522,787.27
  5. Step 5: Solve for x
    x = 757,357,522,787.27/1,176,902.13
  6. Step 6: Final answer
    x = 643,517.85

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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.