Home / 1,146,130.20-1,581,567.12-662,726.64

Finding the Fourth Proportional to 1,146,130.20, 1,581,567.12 and 662,726.64

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Solution

The fourth proportional to 1,146,130.20, 1,581,567.12 and 662,726.64 is: 914,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,130.20 : 1,581,567.12 = 662,726.64 : x
  2. Step 2: Convert to fraction form
    1,146,130.20/1,581,567.12 = 662,726.64/x
  3. Step 3: Cross multiply
    1,146,130.20x = 1,581,567.12 × 662,726.64
  4. Step 4: Simplify right side
    1,146,130.20x = 1,048,146,663,372.08
  5. Step 5: Solve for x
    x = 1,048,146,663,372.08/1,146,130.20
  6. Step 6: Final answer
    x = 914,509.24

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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.