Home / 1,218,688.80-1,826,737.20-587,191.20

Finding the Fourth Proportional to 1,218,688.80, 1,826,737.20 and 587,191.20

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Solution

The fourth proportional to 1,218,688.80, 1,826,737.20 and 587,191.20 is: 880,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,688.80 : 1,826,737.20 = 587,191.20 : x
  2. Step 2: Convert to fraction form
    1,218,688.80/1,826,737.20 = 587,191.20/x
  3. Step 3: Cross multiply
    1,218,688.80x = 1,826,737.20 × 587,191.20
  4. Step 4: Simplify right side
    1,218,688.80x = 1,072,644,008,552.64
  5. Step 5: Solve for x
    x = 1,072,644,008,552.64/1,218,688.80
  6. Step 6: Final answer
    x = 880,162.36

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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.