Home / 1,376,344.27-1,899,562.03-990,437.18

Finding the Fourth Proportional to 1,376,344.27, 1,899,562.03 and 990,437.18

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Solution

The fourth proportional to 1,376,344.27, 1,899,562.03 and 990,437.18 is: 1,366,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,344.27 : 1,899,562.03 = 990,437.18 : x
  2. Step 2: Convert to fraction form
    1,376,344.27/1,899,562.03 = 990,437.18/x
  3. Step 3: Cross multiply
    1,376,344.27x = 1,899,562.03 × 990,437.18
  4. Step 4: Simplify right side
    1,376,344.27x = 1,881,396,860,228.28
  5. Step 5: Solve for x
    x = 1,881,396,860,228.28/1,376,344.27
  6. Step 6: Final answer
    x = 1,366,952.22

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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.