Home / 1,027,280.16-1,539,520.32-494,762.40

Finding the Fourth Proportional to 1,027,280.16, 1,539,520.32 and 494,762.40

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Solution

The fourth proportional to 1,027,280.16, 1,539,520.32 and 494,762.40 is: 741,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,280.16 : 1,539,520.32 = 494,762.40 : x
  2. Step 2: Convert to fraction form
    1,027,280.16/1,539,520.32 = 494,762.40/x
  3. Step 3: Cross multiply
    1,027,280.16x = 1,539,520.32 × 494,762.40
  4. Step 4: Simplify right side
    1,027,280.16x = 761,696,768,371.97
  5. Step 5: Solve for x
    x = 761,696,768,371.97/1,027,280.16
  6. Step 6: Final answer
    x = 741,469.37

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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.