Home / 1,974,808-2,962,221.72-478,900

Finding the Fourth Proportional to 1,974,808, 2,962,221.72 and 478,900

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Solution

The fourth proportional to 1,974,808, 2,962,221.72 and 478,900 is: 718,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,808 : 2,962,221.72 = 478,900 : x
  2. Step 2: Convert to fraction form
    1,974,808/2,962,221.72 = 478,900/x
  3. Step 3: Cross multiply
    1,974,808x = 2,962,221.72 × 478,900
  4. Step 4: Simplify right side
    1,974,808x = 1,418,607,981,708
  5. Step 5: Solve for x
    x = 1,418,607,981,708/1,974,808
  6. Step 6: Final answer
    x = 718,352.36

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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.