Home / 1,109,939.80-1,531,716.93-600,642.17

Finding the Fourth Proportional to 1,109,939.80, 1,531,716.93 and 600,642.17

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Solution

The fourth proportional to 1,109,939.80, 1,531,716.93 and 600,642.17 is: 828,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,939.80 : 1,531,716.93 = 600,642.17 : x
  2. Step 2: Convert to fraction form
    1,109,939.80/1,531,716.93 = 600,642.17/x
  3. Step 3: Cross multiply
    1,109,939.80x = 1,531,716.93 × 600,642.17
  4. Step 4: Simplify right side
    1,109,939.80x = 920,013,777,657.73
  5. Step 5: Solve for x
    x = 920,013,777,657.73/1,109,939.80
  6. Step 6: Final answer
    x = 828,886.20

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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.