Home / 1,134,155.80-1,701,177.16-424,131.64

Finding the Fourth Proportional to 1,134,155.80, 1,701,177.16 and 424,131.64

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Solution

The fourth proportional to 1,134,155.80, 1,701,177.16 and 424,131.64 is: 636,176.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,155.80 : 1,701,177.16 = 424,131.64 : x
  2. Step 2: Convert to fraction form
    1,134,155.80/1,701,177.16 = 424,131.64/x
  3. Step 3: Cross multiply
    1,134,155.80x = 1,701,177.16 × 424,131.64
  4. Step 4: Simplify right side
    1,134,155.80x = 721,523,058,801.34
  5. Step 5: Solve for x
    x = 721,523,058,801.34/1,134,155.80
  6. Step 6: Final answer
    x = 636,176.32

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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.