Home / 694,564.20-1,041,846.30-687,191.40

Finding the Fourth Proportional to 694,564.20, 1,041,846.30 and 687,191.40

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Solution

The fourth proportional to 694,564.20, 1,041,846.30 and 687,191.40 is: 1,030,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,564.20 : 1,041,846.30 = 687,191.40 : x
  2. Step 2: Convert to fraction form
    694,564.20/1,041,846.30 = 687,191.40/x
  3. Step 3: Cross multiply
    694,564.20x = 1,041,846.30 × 687,191.40
  4. Step 4: Simplify right side
    694,564.20x = 715,947,817,481.82
  5. Step 5: Solve for x
    x = 715,947,817,481.82/694,564.20
  6. Step 6: Final answer
    x = 1,030,787.10

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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.