Home / 1,000,042-1,380,047.40-541,146.52

Finding the Fourth Proportional to 1,000,042, 1,380,047.40 and 541,146.52

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Solution

The fourth proportional to 1,000,042, 1,380,047.40 and 541,146.52 is: 746,776.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,042 : 1,380,047.40 = 541,146.52 : x
  2. Step 2: Convert to fraction form
    1,000,042/1,380,047.40 = 541,146.52/x
  3. Step 3: Cross multiply
    1,000,042x = 1,380,047.40 × 541,146.52
  4. Step 4: Simplify right side
    1,000,042x = 746,807,847,945.05
  5. Step 5: Solve for x
    x = 746,807,847,945.05/1,000,042
  6. Step 6: Final answer
    x = 746,776.48

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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.