Home / 1,448,363.70-2,172,545.55-912,986.10

Finding the Fourth Proportional to 1,448,363.70, 2,172,545.55 and 912,986.10

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Solution

The fourth proportional to 1,448,363.70, 2,172,545.55 and 912,986.10 is: 1,369,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,363.70 : 2,172,545.55 = 912,986.10 : x
  2. Step 2: Convert to fraction form
    1,448,363.70/2,172,545.55 = 912,986.10/x
  3. Step 3: Cross multiply
    1,448,363.70x = 2,172,545.55 × 912,986.10
  4. Step 4: Simplify right side
    1,448,363.70x = 1,983,503,888,766.85
  5. Step 5: Solve for x
    x = 1,983,503,888,766.85/1,448,363.70
  6. Step 6: Final answer
    x = 1,369,479.15

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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.