Home / 1,008,434-1,391,668.10-555,754.16

Finding the Fourth Proportional to 1,008,434, 1,391,668.10 and 555,754.16

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Solution

The fourth proportional to 1,008,434, 1,391,668.10 and 555,754.16 is: 766,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,434 : 1,391,668.10 = 555,754.16 : x
  2. Step 2: Convert to fraction form
    1,008,434/1,391,668.10 = 555,754.16/x
  3. Step 3: Cross multiply
    1,008,434x = 1,391,668.10 × 555,754.16
  4. Step 4: Simplify right side
    1,008,434x = 773,425,335,914.30
  5. Step 5: Solve for x
    x = 773,425,335,914.30/1,008,434
  6. Step 6: Final answer
    x = 766,956.82

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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.