Home / 1,815,079.89-2,504,715.17-999,124.20

Finding the Fourth Proportional to 1,815,079.89, 2,504,715.17 and 999,124.20

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Solution

The fourth proportional to 1,815,079.89, 2,504,715.17 and 999,124.20 is: 1,378,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,079.89 : 2,504,715.17 = 999,124.20 : x
  2. Step 2: Convert to fraction form
    1,815,079.89/2,504,715.17 = 999,124.20/x
  3. Step 3: Cross multiply
    1,815,079.89x = 2,504,715.17 × 999,124.20
  4. Step 4: Simplify right side
    1,815,079.89x = 2,502,521,535,458.49
  5. Step 5: Solve for x
    x = 2,502,521,535,458.49/1,815,079.89
  6. Step 6: Final answer
    x = 1,378,739.05

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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.