Home / 1,092,787.20-1,639,088.64-617,978.88

Finding the Fourth Proportional to 1,092,787.20, 1,639,088.64 and 617,978.88

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Solution

The fourth proportional to 1,092,787.20, 1,639,088.64 and 617,978.88 is: 926,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,787.20 : 1,639,088.64 = 617,978.88 : x
  2. Step 2: Convert to fraction form
    1,092,787.20/1,639,088.64 = 617,978.88/x
  3. Step 3: Cross multiply
    1,092,787.20x = 1,639,088.64 × 617,978.88
  4. Step 4: Simplify right side
    1,092,787.20x = 1,012,922,161,967.92
  5. Step 5: Solve for x
    x = 1,012,922,161,967.92/1,092,787.20
  6. Step 6: Final answer
    x = 926,916.20

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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.