Home / 1,678,127.76-2,515,192.56-966,682.08

Finding the Fourth Proportional to 1,678,127.76, 2,515,192.56 and 966,682.08

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Solution

The fourth proportional to 1,678,127.76, 2,515,192.56 and 966,682.08 is: 1,448,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,127.76 : 2,515,192.56 = 966,682.08 : x
  2. Step 2: Convert to fraction form
    1,678,127.76/2,515,192.56 = 966,682.08/x
  3. Step 3: Cross multiply
    1,678,127.76x = 2,515,192.56 × 966,682.08
  4. Step 4: Simplify right side
    1,678,127.76x = 2,431,391,575,501.32
  5. Step 5: Solve for x
    x = 2,431,391,575,501.32/1,678,127.76
  6. Step 6: Final answer
    x = 1,448,871.55

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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.