Home / 1,858,121.40-2,786,490.90-735,958.20

Finding the Fourth Proportional to 1,858,121.40, 2,786,490.90 and 735,958.20

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Solution

The fourth proportional to 1,858,121.40, 2,786,490.90 and 735,958.20 is: 1,103,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,121.40 : 2,786,490.90 = 735,958.20 : x
  2. Step 2: Convert to fraction form
    1,858,121.40/2,786,490.90 = 735,958.20/x
  3. Step 3: Cross multiply
    1,858,121.40x = 2,786,490.90 × 735,958.20
  4. Step 4: Simplify right side
    1,858,121.40x = 2,050,740,827,080.38
  5. Step 5: Solve for x
    x = 2,050,740,827,080.38/1,858,121.40
  6. Step 6: Final answer
    x = 1,103,663.53

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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.