Home / 1,291,024.89-1,781,589.53-710,214.08

Finding the Fourth Proportional to 1,291,024.89, 1,781,589.53 and 710,214.08

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Solution

The fourth proportional to 1,291,024.89, 1,781,589.53 and 710,214.08 is: 980,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,024.89 : 1,781,589.53 = 710,214.08 : x
  2. Step 2: Convert to fraction form
    1,291,024.89/1,781,589.53 = 710,214.08/x
  3. Step 3: Cross multiply
    1,291,024.89x = 1,781,589.53 × 710,214.08
  4. Step 4: Simplify right side
    1,291,024.89x = 1,265,309,961,854.17
  5. Step 5: Solve for x
    x = 1,265,309,961,854.17/1,291,024.89
  6. Step 6: Final answer
    x = 980,081.77

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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.