Home / 1,458,913.28-2,188,347.20-748,531.36

Finding the Fourth Proportional to 1,458,913.28, 2,188,347.20 and 748,531.36

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Solution

The fourth proportional to 1,458,913.28, 2,188,347.20 and 748,531.36 is: 1,122,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,913.28 : 2,188,347.20 = 748,531.36 : x
  2. Step 2: Convert to fraction form
    1,458,913.28/2,188,347.20 = 748,531.36/x
  3. Step 3: Cross multiply
    1,458,913.28x = 2,188,347.20 × 748,531.36
  4. Step 4: Simplify right side
    1,458,913.28x = 1,638,046,505,768.19
  5. Step 5: Solve for x
    x = 1,638,046,505,768.19/1,458,913.28
  6. Step 6: Final answer
    x = 1,122,785.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.