Home / 1,368,049.18-1,888,095.40-787,260.38

Finding the Fourth Proportional to 1,368,049.18, 1,888,095.40 and 787,260.38

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Solution

The fourth proportional to 1,368,049.18, 1,888,095.40 and 787,260.38 is: 1,086,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,049.18 : 1,888,095.40 = 787,260.38 : x
  2. Step 2: Convert to fraction form
    1,368,049.18/1,888,095.40 = 787,260.38/x
  3. Step 3: Cross multiply
    1,368,049.18x = 1,888,095.40 × 787,260.38
  4. Step 4: Simplify right side
    1,368,049.18x = 1,486,422,702,080.25
  5. Step 5: Solve for x
    x = 1,486,422,702,080.25/1,368,049.18
  6. Step 6: Final answer
    x = 1,086,527.24

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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.