Home / 1,350,919.20-1,864,398.40-807,048.74

Finding the Fourth Proportional to 1,350,919.20, 1,864,398.40 and 807,048.74

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Solution

The fourth proportional to 1,350,919.20, 1,864,398.40 and 807,048.74 is: 1,113,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,919.20 : 1,864,398.40 = 807,048.74 : x
  2. Step 2: Convert to fraction form
    1,350,919.20/1,864,398.40 = 807,048.74/x
  3. Step 3: Cross multiply
    1,350,919.20x = 1,864,398.40 × 807,048.74
  4. Step 4: Simplify right side
    1,350,919.20x = 1,504,660,379,578.02
  5. Step 5: Solve for x
    x = 1,504,660,379,578.02/1,350,919.20
  6. Step 6: Final answer
    x = 1,113,804.87

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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.