Home / 1,145,993.34-1,581,520.02-636,695.72

Finding the Fourth Proportional to 1,145,993.34, 1,581,520.02 and 636,695.72

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Solution

The fourth proportional to 1,145,993.34, 1,581,520.02 and 636,695.72 is: 878,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,993.34 : 1,581,520.02 = 636,695.72 : x
  2. Step 2: Convert to fraction form
    1,145,993.34/1,581,520.02 = 636,695.72/x
  3. Step 3: Cross multiply
    1,145,993.34x = 1,581,520.02 × 636,695.72
  4. Step 4: Simplify right side
    1,145,993.34x = 1,006,947,027,045.22
  5. Step 5: Solve for x
    x = 1,006,947,027,045.22/1,145,993.34
  6. Step 6: Final answer
    x = 878,667.43

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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.