Home / 1,280,033.27-1,920,049.29-381,452.08

Finding the Fourth Proportional to 1,280,033.27, 1,920,049.29 and 381,452.08

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Solution

The fourth proportional to 1,280,033.27, 1,920,049.29 and 381,452.08 is: 572,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,033.27 : 1,920,049.29 = 381,452.08 : x
  2. Step 2: Convert to fraction form
    1,280,033.27/1,920,049.29 = 381,452.08/x
  3. Step 3: Cross multiply
    1,280,033.27x = 1,920,049.29 × 381,452.08
  4. Step 4: Simplify right side
    1,280,033.27x = 732,406,795,373.02
  5. Step 5: Solve for x
    x = 732,406,795,373.02/1,280,033.27
  6. Step 6: Final answer
    x = 572,177.94

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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.