Home / 1,016,003.80-1,524,005.70-918,026.20

Finding the Fourth Proportional to 1,016,003.80, 1,524,005.70 and 918,026.20

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Solution

The fourth proportional to 1,016,003.80, 1,524,005.70 and 918,026.20 is: 1,377,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,003.80 : 1,524,005.70 = 918,026.20 : x
  2. Step 2: Convert to fraction form
    1,016,003.80/1,524,005.70 = 918,026.20/x
  3. Step 3: Cross multiply
    1,016,003.80x = 1,524,005.70 × 918,026.20
  4. Step 4: Simplify right side
    1,016,003.80x = 1,399,077,161,549.34
  5. Step 5: Solve for x
    x = 1,399,077,161,549.34/1,016,003.80
  6. Step 6: Final answer
    x = 1,377,039.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.