Home / 1,145,455.92-1,580,732.85-636,158.28

Finding the Fourth Proportional to 1,145,455.92, 1,580,732.85 and 636,158.28

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Solution

The fourth proportional to 1,145,455.92, 1,580,732.85 and 636,158.28 is: 877,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,455.92 : 1,580,732.85 = 636,158.28 : x
  2. Step 2: Convert to fraction form
    1,145,455.92/1,580,732.85 = 636,158.28/x
  3. Step 3: Cross multiply
    1,145,455.92x = 1,580,732.85 × 636,158.28
  4. Step 4: Simplify right side
    1,145,455.92x = 1,005,596,290,995.50
  5. Step 5: Solve for x
    x = 1,005,596,290,995.50/1,145,455.92
  6. Step 6: Final answer
    x = 877,900.47

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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.