Home / 1,322,690.16-1,825,359.66-813,294.12

Finding the Fourth Proportional to 1,322,690.16, 1,825,359.66 and 813,294.12

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Solution

The fourth proportional to 1,322,690.16, 1,825,359.66 and 813,294.12 is: 1,122,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,690.16 : 1,825,359.66 = 813,294.12 : x
  2. Step 2: Convert to fraction form
    1,322,690.16/1,825,359.66 = 813,294.12/x
  3. Step 3: Cross multiply
    1,322,690.16x = 1,825,359.66 × 813,294.12
  4. Step 4: Simplify right side
    1,322,690.16x = 1,484,554,278,363.20
  5. Step 5: Solve for x
    x = 1,484,554,278,363.20/1,322,690.16
  6. Step 6: Final answer
    x = 1,122,374.93

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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.