Home / 1,292,531.28-1,783,422.48-748,634.08

Finding the Fourth Proportional to 1,292,531.28, 1,783,422.48 and 748,634.08

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Solution

The fourth proportional to 1,292,531.28, 1,783,422.48 and 748,634.08 is: 1,032,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,531.28 : 1,783,422.48 = 748,634.08 : x
  2. Step 2: Convert to fraction form
    1,292,531.28/1,783,422.48 = 748,634.08/x
  3. Step 3: Cross multiply
    1,292,531.28x = 1,783,422.48 × 748,634.08
  4. Step 4: Simplify right side
    1,292,531.28x = 1,335,130,847,566.12
  5. Step 5: Solve for x
    x = 1,335,130,847,566.12/1,292,531.28
  6. Step 6: Final answer
    x = 1,032,958.25

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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.