Home / 1,216,812.32-1,825,079.03-318,340.76

Finding the Fourth Proportional to 1,216,812.32, 1,825,079.03 and 318,340.76

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Solution

The fourth proportional to 1,216,812.32, 1,825,079.03 and 318,340.76 is: 477,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,812.32 : 1,825,079.03 = 318,340.76 : x
  2. Step 2: Convert to fraction form
    1,216,812.32/1,825,079.03 = 318,340.76/x
  3. Step 3: Cross multiply
    1,216,812.32x = 1,825,079.03 × 318,340.76
  4. Step 4: Simplify right side
    1,216,812.32x = 580,997,034,753.16
  5. Step 5: Solve for x
    x = 580,997,034,753.16/1,216,812.32
  6. Step 6: Final answer
    x = 477,474.65

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1.5x scale

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.