Home / 781,653.60-1,172,480.40-694,562.40

Finding the Fourth Proportional to 781,653.60, 1,172,480.40 and 694,562.40

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Solution

The fourth proportional to 781,653.60, 1,172,480.40 and 694,562.40 is: 1,041,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,653.60 : 1,172,480.40 = 694,562.40 : x
  2. Step 2: Convert to fraction form
    781,653.60/1,172,480.40 = 694,562.40/x
  3. Step 3: Cross multiply
    781,653.60x = 1,172,480.40 × 694,562.40
  4. Step 4: Simplify right side
    781,653.60x = 814,360,800,576.96
  5. Step 5: Solve for x
    x = 814,360,800,576.96/781,653.60
  6. Step 6: Final answer
    x = 1,041,843.60

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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.