Home / 1,150,444.78-1,587,619.11-667,295.98

Finding the Fourth Proportional to 1,150,444.78, 1,587,619.11 and 667,295.98

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Solution

The fourth proportional to 1,150,444.78, 1,587,619.11 and 667,295.98 is: 920,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,444.78 : 1,587,619.11 = 667,295.98 : x
  2. Step 2: Convert to fraction form
    1,150,444.78/1,587,619.11 = 667,295.98/x
  3. Step 3: Cross multiply
    1,150,444.78x = 1,587,619.11 × 667,295.98
  4. Step 4: Simplify right side
    1,150,444.78x = 1,059,411,849,874.18
  5. Step 5: Solve for x
    x = 1,059,411,849,874.18/1,150,444.78
  6. Step 6: Final answer
    x = 920,871.53

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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.