Home / 838,293.30-1,257,439.95-667,051.20

Finding the Fourth Proportional to 838,293.30, 1,257,439.95 and 667,051.20

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Solution

The fourth proportional to 838,293.30, 1,257,439.95 and 667,051.20 is: 1,000,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,293.30 : 1,257,439.95 = 667,051.20 : x
  2. Step 2: Convert to fraction form
    838,293.30/1,257,439.95 = 667,051.20/x
  3. Step 3: Cross multiply
    838,293.30x = 1,257,439.95 × 667,051.20
  4. Step 4: Simplify right side
    838,293.30x = 838,776,827,575.44
  5. Step 5: Solve for x
    x = 838,776,827,575.44/838,293.30
  6. Step 6: Final answer
    x = 1,000,576.80

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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.