Home / 1,280,663.79-1,767,384.06-736,882.20

Finding the Fourth Proportional to 1,280,663.79, 1,767,384.06 and 736,882.20

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Solution

The fourth proportional to 1,280,663.79, 1,767,384.06 and 736,882.20 is: 1,016,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,663.79 : 1,767,384.06 = 736,882.20 : x
  2. Step 2: Convert to fraction form
    1,280,663.79/1,767,384.06 = 736,882.20/x
  3. Step 3: Cross multiply
    1,280,663.79x = 1,767,384.06 × 736,882.20
  4. Step 4: Simplify right side
    1,280,663.79x = 1,302,353,854,377.73
  5. Step 5: Solve for x
    x = 1,302,353,854,377.73/1,280,663.79
  6. Step 6: Final answer
    x = 1,016,936.58

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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.