Home / 694,551.20-1,041,826.80-687,178.40

Finding the Fourth Proportional to 694,551.20, 1,041,826.80 and 687,178.40

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Solution

The fourth proportional to 694,551.20, 1,041,826.80 and 687,178.40 is: 1,030,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,551.20 : 1,041,826.80 = 687,178.40 : x
  2. Step 2: Convert to fraction form
    694,551.20/1,041,826.80 = 687,178.40/x
  3. Step 3: Cross multiply
    694,551.20x = 1,041,826.80 × 687,178.40
  4. Step 4: Simplify right side
    694,551.20x = 715,920,873,501.12
  5. Step 5: Solve for x
    x = 715,920,873,501.12/694,551.20
  6. Step 6: Final answer
    x = 1,030,767.60

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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.