Home / 1,283,809.50-1,772,123.67-747,265.50

Finding the Fourth Proportional to 1,283,809.50, 1,772,123.67 and 747,265.50

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Solution

The fourth proportional to 1,283,809.50, 1,772,123.67 and 747,265.50 is: 1,031,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,809.50 : 1,772,123.67 = 747,265.50 : x
  2. Step 2: Convert to fraction form
    1,283,809.50/1,772,123.67 = 747,265.50/x
  3. Step 3: Cross multiply
    1,283,809.50x = 1,772,123.67 × 747,265.50
  4. Step 4: Simplify right side
    1,283,809.50x = 1,324,246,880,324.39
  5. Step 5: Solve for x
    x = 1,324,246,880,324.39/1,283,809.50
  6. Step 6: Final answer
    x = 1,031,497.96

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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.