Home / 1,291,260.87-1,781,982.69-710,550.39

Finding the Fourth Proportional to 1,291,260.87, 1,781,982.69 and 710,550.39

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Solution

The fourth proportional to 1,291,260.87, 1,781,982.69 and 710,550.39 is: 980,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,260.87 : 1,781,982.69 = 710,550.39 : x
  2. Step 2: Convert to fraction form
    1,291,260.87/1,781,982.69 = 710,550.39/x
  3. Step 3: Cross multiply
    1,291,260.87x = 1,781,982.69 × 710,550.39
  4. Step 4: Simplify right side
    1,291,260.87x = 1,266,188,495,352.75
  5. Step 5: Solve for x
    x = 1,266,188,495,352.75/1,291,260.87
  6. Step 6: Final answer
    x = 980,583.03

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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.