Home / 840,629.10-1,260,943.65-740,901.90

Finding the Fourth Proportional to 840,629.10, 1,260,943.65 and 740,901.90

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Solution

The fourth proportional to 840,629.10, 1,260,943.65 and 740,901.90 is: 1,111,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,629.10 : 1,260,943.65 = 740,901.90 : x
  2. Step 2: Convert to fraction form
    840,629.10/1,260,943.65 = 740,901.90/x
  3. Step 3: Cross multiply
    840,629.10x = 1,260,943.65 × 740,901.90
  4. Step 4: Simplify right side
    840,629.10x = 934,235,546,077.94
  5. Step 5: Solve for x
    x = 934,235,546,077.94/840,629.10
  6. Step 6: Final answer
    x = 1,111,352.85

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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.