Home / 1,974,750-2,962,134.72-478,842

Finding the Fourth Proportional to 1,974,750, 2,962,134.72 and 478,842

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Solution

The fourth proportional to 1,974,750, 2,962,134.72 and 478,842 is: 718,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,750 : 2,962,134.72 = 478,842 : x
  2. Step 2: Convert to fraction form
    1,974,750/2,962,134.72 = 478,842/x
  3. Step 3: Cross multiply
    1,974,750x = 2,962,134.72 × 478,842
  4. Step 4: Simplify right side
    1,974,750x = 1,418,394,513,594.24
  5. Step 5: Solve for x
    x = 1,418,394,513,594.24/1,974,750
  6. Step 6: Final answer
    x = 718,265.36

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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.