Home / 1,441,090.98-1,988,713.37-787,717.88

Finding the Fourth Proportional to 1,441,090.98, 1,988,713.37 and 787,717.88

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Solution

The fourth proportional to 1,441,090.98, 1,988,713.37 and 787,717.88 is: 1,087,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,090.98 : 1,988,713.37 = 787,717.88 : x
  2. Step 2: Convert to fraction form
    1,441,090.98/1,988,713.37 = 787,717.88/x
  3. Step 3: Cross multiply
    1,441,090.98x = 1,988,713.37 × 787,717.88
  4. Step 4: Simplify right side
    1,441,090.98x = 1,566,545,065,861.90
  5. Step 5: Solve for x
    x = 1,566,545,065,861.90/1,441,090.98
  6. Step 6: Final answer
    x = 1,087,054.94

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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.