Home / 1,438,214.36-2,156,057.82-586,002.62

Finding the Fourth Proportional to 1,438,214.36, 2,156,057.82 and 586,002.62

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Solution

The fourth proportional to 1,438,214.36, 2,156,057.82 and 586,002.62 is: 878,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,214.36 : 2,156,057.82 = 586,002.62 : x
  2. Step 2: Convert to fraction form
    1,438,214.36/2,156,057.82 = 586,002.62/x
  3. Step 3: Cross multiply
    1,438,214.36x = 2,156,057.82 × 586,002.62
  4. Step 4: Simplify right side
    1,438,214.36x = 1,263,455,536,781.63
  5. Step 5: Solve for x
    x = 1,263,455,536,781.63/1,438,214.36
  6. Step 6: Final answer
    x = 878,489.03

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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.