Home / 1,817,715.20-2,726,547.20-820,441.60

Finding the Fourth Proportional to 1,817,715.20, 2,726,547.20 and 820,441.60

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Solution

The fourth proportional to 1,817,715.20, 2,726,547.20 and 820,441.60 is: 1,230,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,715.20 : 2,726,547.20 = 820,441.60 : x
  2. Step 2: Convert to fraction form
    1,817,715.20/2,726,547.20 = 820,441.60/x
  3. Step 3: Cross multiply
    1,817,715.20x = 2,726,547.20 × 820,441.60
  4. Step 4: Simplify right side
    1,817,715.20x = 2,236,972,747,243.52
  5. Step 5: Solve for x
    x = 2,236,972,747,243.52/1,817,715.20
  6. Step 6: Final answer
    x = 1,230,650.85

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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.