Home / 1,079,598.66-1,618,314.21-369,140.78

Finding the Fourth Proportional to 1,079,598.66, 1,618,314.21 and 369,140.78

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Solution

The fourth proportional to 1,079,598.66, 1,618,314.21 and 369,140.78 is: 553,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,598.66 : 1,618,314.21 = 369,140.78 : x
  2. Step 2: Convert to fraction form
    1,079,598.66/1,618,314.21 = 369,140.78/x
  3. Step 3: Cross multiply
    1,079,598.66x = 1,618,314.21 × 369,140.78
  4. Step 4: Simplify right side
    1,079,598.66x = 597,385,761,672.91
  5. Step 5: Solve for x
    x = 597,385,761,672.91/1,079,598.66
  6. Step 6: Final answer
    x = 553,340.59

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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.