Home / 1,210,744.76-1,670,839.02-666,882.52

Finding the Fourth Proportional to 1,210,744.76, 1,670,839.02 and 666,882.52

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Solution

The fourth proportional to 1,210,744.76, 1,670,839.02 and 666,882.52 is: 920,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,744.76 : 1,670,839.02 = 666,882.52 : x
  2. Step 2: Convert to fraction form
    1,210,744.76/1,670,839.02 = 666,882.52/x
  3. Step 3: Cross multiply
    1,210,744.76x = 1,670,839.02 × 666,882.52
  4. Step 4: Simplify right side
    1,210,744.76x = 1,114,253,336,171.93
  5. Step 5: Solve for x
    x = 1,114,253,336,171.93/1,210,744.76
  6. Step 6: Final answer
    x = 920,304.07

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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.