Home / 1,145,935.40-1,581,298.27-662,531.69

Finding the Fourth Proportional to 1,145,935.40, 1,581,298.27 and 662,531.69

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Solution

The fourth proportional to 1,145,935.40, 1,581,298.27 and 662,531.69 is: 914,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,935.40 : 1,581,298.27 = 662,531.69 : x
  2. Step 2: Convert to fraction form
    1,145,935.40/1,581,298.27 = 662,531.69/x
  3. Step 3: Cross multiply
    1,145,935.40x = 1,581,298.27 × 662,531.69
  4. Step 4: Simplify right side
    1,145,935.40x = 1,047,660,217,514.09
  5. Step 5: Solve for x
    x = 1,047,660,217,514.09/1,145,935.40
  6. Step 6: Final answer
    x = 914,240.21

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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.