Home / 1,291,194.47-1,781,862.03-710,425.23

Finding the Fourth Proportional to 1,291,194.47, 1,781,862.03 and 710,425.23

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Solution

The fourth proportional to 1,291,194.47, 1,781,862.03 and 710,425.23 is: 980,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,194.47 : 1,781,862.03 = 710,425.23 : x
  2. Step 2: Convert to fraction form
    1,291,194.47/1,781,862.03 = 710,425.23/x
  3. Step 3: Cross multiply
    1,291,194.47x = 1,781,862.03 × 710,425.23
  4. Step 4: Simplify right side
    1,291,194.47x = 1,265,879,741,814.12
  5. Step 5: Solve for x
    x = 1,265,879,741,814.12/1,291,194.47
  6. Step 6: Final answer
    x = 980,394.33

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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.