Home / 1,008,508-1,391,769.84-555,828.16

Finding the Fourth Proportional to 1,008,508, 1,391,769.84 and 555,828.16

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Solution

The fourth proportional to 1,008,508, 1,391,769.84 and 555,828.16 is: 767,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,508 : 1,391,769.84 = 555,828.16 : x
  2. Step 2: Convert to fraction form
    1,008,508/1,391,769.84 = 555,828.16/x
  3. Step 3: Cross multiply
    1,008,508x = 1,391,769.84 × 555,828.16
  4. Step 4: Simplify right side
    1,008,508x = 773,584,869,310.70
  5. Step 5: Solve for x
    x = 773,584,869,310.70/1,008,508
  6. Step 6: Final answer
    x = 767,058.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.