Home / 1,145,435.72-1,580,609.12-662,032.18

Finding the Fourth Proportional to 1,145,435.72, 1,580,609.12 and 662,032.18

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Solution

The fourth proportional to 1,145,435.72, 1,580,609.12 and 662,032.18 is: 913,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,435.72 : 1,580,609.12 = 662,032.18 : x
  2. Step 2: Convert to fraction form
    1,145,435.72/1,580,609.12 = 662,032.18/x
  3. Step 3: Cross multiply
    1,145,435.72x = 1,580,609.12 × 662,032.18
  4. Step 4: Simplify right side
    1,145,435.72x = 1,046,414,094,179.80
  5. Step 5: Solve for x
    x = 1,046,414,094,179.80/1,145,435.72
  6. Step 6: Final answer
    x = 913,551.13

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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.