Home / 1,086,303.64-1,500,343.23-715,424.53

Finding the Fourth Proportional to 1,086,303.64, 1,500,343.23 and 715,424.53

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Solution

The fourth proportional to 1,086,303.64, 1,500,343.23 and 715,424.53 is: 988,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,303.64 : 1,500,343.23 = 715,424.53 : x
  2. Step 2: Convert to fraction form
    1,086,303.64/1,500,343.23 = 715,424.53/x
  3. Step 3: Cross multiply
    1,086,303.64x = 1,500,343.23 × 715,424.53
  4. Step 4: Simplify right side
    1,086,303.64x = 1,073,382,350,161.43
  5. Step 5: Solve for x
    x = 1,073,382,350,161.43/1,086,303.64
  6. Step 6: Final answer
    x = 988,105.27

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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.