Home / 1,123,809.78-1,549,532.36-908,283.36

Finding the Fourth Proportional to 1,123,809.78, 1,549,532.36 and 908,283.36

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Solution

The fourth proportional to 1,123,809.78, 1,549,532.36 and 908,283.36 is: 1,252,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,809.78 : 1,549,532.36 = 908,283.36 : x
  2. Step 2: Convert to fraction form
    1,123,809.78/1,549,532.36 = 908,283.36/x
  3. Step 3: Cross multiply
    1,123,809.78x = 1,549,532.36 × 908,283.36
  4. Step 4: Simplify right side
    1,123,809.78x = 1,407,414,458,369.53
  5. Step 5: Solve for x
    x = 1,407,414,458,369.53/1,123,809.78
  6. Step 6: Final answer
    x = 1,252,360.04

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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.