Home / 1,291,027.52-1,781,593.16-710,216.70

Finding the Fourth Proportional to 1,291,027.52, 1,781,593.16 and 710,216.70

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Solution

The fourth proportional to 1,291,027.52, 1,781,593.16 and 710,216.70 is: 980,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,027.52 : 1,781,593.16 = 710,216.70 : x
  2. Step 2: Convert to fraction form
    1,291,027.52/1,781,593.16 = 710,216.70/x
  3. Step 3: Cross multiply
    1,291,027.52x = 1,781,593.16 × 710,216.70
  4. Step 4: Simplify right side
    1,291,027.52x = 1,265,317,211,286.69
  5. Step 5: Solve for x
    x = 1,265,317,211,286.69/1,291,027.52
  6. Step 6: Final answer
    x = 980,085.39

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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.