Home / 1,306,956.68-1,803,388.56-816,868.46

Finding the Fourth Proportional to 1,306,956.68, 1,803,388.56 and 816,868.46

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Solution

The fourth proportional to 1,306,956.68, 1,803,388.56 and 816,868.46 is: 1,127,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,956.68 : 1,803,388.56 = 816,868.46 : x
  2. Step 2: Convert to fraction form
    1,306,956.68/1,803,388.56 = 816,868.46/x
  3. Step 3: Cross multiply
    1,306,956.68x = 1,803,388.56 × 816,868.46
  4. Step 4: Simplify right side
    1,306,956.68x = 1,473,131,235,788.82
  5. Step 5: Solve for x
    x = 1,473,131,235,788.82/1,306,956.68
  6. Step 6: Final answer
    x = 1,127,146.18

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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.