Home / 1,479,211.06-2,041,343.12-816,920.88

Finding the Fourth Proportional to 1,479,211.06, 2,041,343.12 and 816,920.88

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Solution

The fourth proportional to 1,479,211.06, 2,041,343.12 and 816,920.88 is: 1,127,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,211.06 : 2,041,343.12 = 816,920.88 : x
  2. Step 2: Convert to fraction form
    1,479,211.06/2,041,343.12 = 816,920.88/x
  3. Step 3: Cross multiply
    1,479,211.06x = 2,041,343.12 × 816,920.88
  4. Step 4: Simplify right side
    1,479,211.06x = 1,667,615,817,972.35
  5. Step 5: Solve for x
    x = 1,667,615,817,972.35/1,479,211.06
  6. Step 6: Final answer
    x = 1,127,368.41

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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.