Home / 1,045,133.28-1,442,331.36-615,431.52

Finding the Fourth Proportional to 1,045,133.28, 1,442,331.36 and 615,431.52

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Solution

The fourth proportional to 1,045,133.28, 1,442,331.36 and 615,431.52 is: 849,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,133.28 : 1,442,331.36 = 615,431.52 : x
  2. Step 2: Convert to fraction form
    1,045,133.28/1,442,331.36 = 615,431.52/x
  3. Step 3: Cross multiply
    1,045,133.28x = 1,442,331.36 × 615,431.52
  4. Step 4: Simplify right side
    1,045,133.28x = 887,656,181,228.47
  5. Step 5: Solve for x
    x = 887,656,181,228.47/1,045,133.28
  6. Step 6: Final answer
    x = 849,323.43

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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.