Home / 1,423,766.25-2,135,209.32-412,962.66

Finding the Fourth Proportional to 1,423,766.25, 2,135,209.32 and 412,962.66

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Solution

The fourth proportional to 1,423,766.25, 2,135,209.32 and 412,962.66 is: 619,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,766.25 : 2,135,209.32 = 412,962.66 : x
  2. Step 2: Convert to fraction form
    1,423,766.25/2,135,209.32 = 412,962.66/x
  3. Step 3: Cross multiply
    1,423,766.25x = 2,135,209.32 × 412,962.66
  4. Step 4: Simplify right side
    1,423,766.25x = 881,761,720,443.99
  5. Step 5: Solve for x
    x = 881,761,720,443.99/1,423,766.25
  6. Step 6: Final answer
    x = 619,316.35

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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.