Home / 777,726.40-1,166,589.60-684,414.40

Finding the Fourth Proportional to 777,726.40, 1,166,589.60 and 684,414.40

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Solution

The fourth proportional to 777,726.40, 1,166,589.60 and 684,414.40 is: 1,026,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,726.40 : 1,166,589.60 = 684,414.40 : x
  2. Step 2: Convert to fraction form
    777,726.40/1,166,589.60 = 684,414.40/x
  3. Step 3: Cross multiply
    777,726.40x = 1,166,589.60 × 684,414.40
  4. Step 4: Simplify right side
    777,726.40x = 798,430,721,130.24
  5. Step 5: Solve for x
    x = 798,430,721,130.24/777,726.40
  6. Step 6: Final answer
    x = 1,026,621.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.