Home / 1,359,439.20-2,039,026.77-412,818.12

Finding the Fourth Proportional to 1,359,439.20, 2,039,026.77 and 412,818.12

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Solution

The fourth proportional to 1,359,439.20, 2,039,026.77 and 412,818.12 is: 619,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,439.20 : 2,039,026.77 = 412,818.12 : x
  2. Step 2: Convert to fraction form
    1,359,439.20/2,039,026.77 = 412,818.12/x
  3. Step 3: Cross multiply
    1,359,439.20x = 2,039,026.77 × 412,818.12
  4. Step 4: Simplify right side
    1,359,439.20x = 841,747,197,821.07
  5. Step 5: Solve for x
    x = 841,747,197,821.07/1,359,439.20
  6. Step 6: Final answer
    x = 619,187.09

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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.