Home / 1,549,058.52-2,137,468.86-869,863.80

Finding the Fourth Proportional to 1,549,058.52, 2,137,468.86 and 869,863.80

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Solution

The fourth proportional to 1,549,058.52, 2,137,468.86 and 869,863.80 is: 1,200,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,058.52 : 2,137,468.86 = 869,863.80 : x
  2. Step 2: Convert to fraction form
    1,549,058.52/2,137,468.86 = 869,863.80/x
  3. Step 3: Cross multiply
    1,549,058.52x = 2,137,468.86 × 869,863.80
  4. Step 4: Simplify right side
    1,549,058.52x = 1,859,306,784,941.27
  5. Step 5: Solve for x
    x = 1,859,306,784,941.27/1,549,058.52
  6. Step 6: Final answer
    x = 1,200,281.82

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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.