Home / 1,342,187.20-1,852,194.90-730,319.32

Finding the Fourth Proportional to 1,342,187.20, 1,852,194.90 and 730,319.32

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Solution

The fourth proportional to 1,342,187.20, 1,852,194.90 and 730,319.32 is: 1,007,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,187.20 : 1,852,194.90 = 730,319.32 : x
  2. Step 2: Convert to fraction form
    1,342,187.20/1,852,194.90 = 730,319.32/x
  3. Step 3: Cross multiply
    1,342,187.20x = 1,852,194.90 × 730,319.32
  4. Step 4: Simplify right side
    1,342,187.20x = 1,352,693,719,875.47
  5. Step 5: Solve for x
    x = 1,352,693,719,875.47/1,342,187.20
  6. Step 6: Final answer
    x = 1,007,827.91

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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.