Home / 1,230,787.62-1,847,006.16-432,071.52

Finding the Fourth Proportional to 1,230,787.62, 1,847,006.16 and 432,071.52

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Solution

The fourth proportional to 1,230,787.62, 1,847,006.16 and 432,071.52 is: 648,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,787.62 : 1,847,006.16 = 432,071.52 : x
  2. Step 2: Convert to fraction form
    1,230,787.62/1,847,006.16 = 432,071.52/x
  3. Step 3: Cross multiply
    1,230,787.62x = 1,847,006.16 × 432,071.52
  4. Step 4: Simplify right side
    1,230,787.62x = 798,038,759,000.56
  5. Step 5: Solve for x
    x = 798,038,759,000.56/1,230,787.62
  6. Step 6: Final answer
    x = 648,396.80

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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.