Home / 1,045,537.50-1,442,619.27-615,660.78

Finding the Fourth Proportional to 1,045,537.50, 1,442,619.27 and 615,660.78

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Solution

The fourth proportional to 1,045,537.50, 1,442,619.27 and 615,660.78 is: 849,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,537.50 : 1,442,619.27 = 615,660.78 : x
  2. Step 2: Convert to fraction form
    1,045,537.50/1,442,619.27 = 615,660.78/x
  3. Step 3: Cross multiply
    1,045,537.50x = 1,442,619.27 × 615,660.78
  4. Step 4: Simplify right side
    1,045,537.50x = 888,164,105,011.23
  5. Step 5: Solve for x
    x = 888,164,105,011.23/1,045,537.50
  6. Step 6: Final answer
    x = 849,480.87

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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.