Home / 1,115,415.55-1,539,269.29-632,073.16

Finding the Fourth Proportional to 1,115,415.55, 1,539,269.29 and 632,073.16

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Solution

The fourth proportional to 1,115,415.55, 1,539,269.29 and 632,073.16 is: 872,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,415.55 : 1,539,269.29 = 632,073.16 : x
  2. Step 2: Convert to fraction form
    1,115,415.55/1,539,269.29 = 632,073.16/x
  3. Step 3: Cross multiply
    1,115,415.55x = 1,539,269.29 × 632,073.16
  4. Step 4: Simplify right side
    1,115,415.55x = 972,930,804,221.26
  5. Step 5: Solve for x
    x = 972,930,804,221.26/1,115,415.55
  6. Step 6: Final answer
    x = 872,258.60

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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.