Home / 1,291,028.52-1,781,594.53-710,217.70

Finding the Fourth Proportional to 1,291,028.52, 1,781,594.53 and 710,217.70

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Solution

The fourth proportional to 1,291,028.52, 1,781,594.53 and 710,217.70 is: 980,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,028.52 : 1,781,594.53 = 710,217.70 : x
  2. Step 2: Convert to fraction form
    1,291,028.52/1,781,594.53 = 710,217.70/x
  3. Step 3: Cross multiply
    1,291,028.52x = 1,781,594.53 × 710,217.70
  4. Step 4: Simplify right side
    1,291,028.52x = 1,265,319,969,429.18
  5. Step 5: Solve for x
    x = 1,265,319,969,429.18/1,291,028.52
  6. Step 6: Final answer
    x = 980,086.77

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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.