Home / 1,123,830.82-1,550,360.56-736,543.20

Finding the Fourth Proportional to 1,123,830.82, 1,550,360.56 and 736,543.20

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Solution

The fourth proportional to 1,123,830.82, 1,550,360.56 and 736,543.20 is: 1,016,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,830.82 : 1,550,360.56 = 736,543.20 : x
  2. Step 2: Convert to fraction form
    1,123,830.82/1,550,360.56 = 736,543.20/x
  3. Step 3: Cross multiply
    1,123,830.82x = 1,550,360.56 × 736,543.20
  4. Step 4: Simplify right side
    1,123,830.82x = 1,141,907,528,016.19
  5. Step 5: Solve for x
    x = 1,141,907,528,016.19/1,123,830.82
  6. Step 6: Final answer
    x = 1,016,084.90

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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.