Home / 1,340,578.64-1,849,857-767,565.20

Finding the Fourth Proportional to 1,340,578.64, 1,849,857 and 767,565.20

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Solution

The fourth proportional to 1,340,578.64, 1,849,857 and 767,565.20 is: 1,059,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,578.64 : 1,849,857 = 767,565.20 : x
  2. Step 2: Convert to fraction form
    1,340,578.64/1,849,857 = 767,565.20/x
  3. Step 3: Cross multiply
    1,340,578.64x = 1,849,857 × 767,565.20
  4. Step 4: Simplify right side
    1,340,578.64x = 1,419,885,858,176.40
  5. Step 5: Solve for x
    x = 1,419,885,858,176.40/1,340,578.64
  6. Step 6: Final answer
    x = 1,059,158.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.