Home / 1,359,452.94-2,039,182.65-412,830.78

Finding the Fourth Proportional to 1,359,452.94, 2,039,182.65 and 412,830.78

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Solution

The fourth proportional to 1,359,452.94, 2,039,182.65 and 412,830.78 is: 619,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,452.94 : 2,039,182.65 = 412,830.78 : x
  2. Step 2: Convert to fraction form
    1,359,452.94/2,039,182.65 = 412,830.78/x
  3. Step 3: Cross multiply
    1,359,452.94x = 2,039,182.65 × 412,830.78
  4. Step 4: Simplify right side
    1,359,452.94x = 841,837,363,961.97
  5. Step 5: Solve for x
    x = 841,837,363,961.97/1,359,452.94
  6. Step 6: Final answer
    x = 619,247.15

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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.