Home / 1,549,059.52-2,137,470.24-869,864.80

Finding the Fourth Proportional to 1,549,059.52, 2,137,470.24 and 869,864.80

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Solution

The fourth proportional to 1,549,059.52, 2,137,470.24 and 869,864.80 is: 1,200,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,059.52 : 2,137,470.24 = 869,864.80 : x
  2. Step 2: Convert to fraction form
    1,549,059.52/2,137,470.24 = 869,864.80/x
  3. Step 3: Cross multiply
    1,549,059.52x = 2,137,470.24 × 869,864.80
  4. Step 4: Simplify right side
    1,549,059.52x = 1,859,310,122,823.55
  5. Step 5: Solve for x
    x = 1,859,310,122,823.55/1,549,059.52
  6. Step 6: Final answer
    x = 1,200,283.20

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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.