Home / 1,256,082.40-1,884,123.60-1,118,456.80

Finding the Fourth Proportional to 1,256,082.40, 1,884,123.60 and 1,118,456.80

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Solution

The fourth proportional to 1,256,082.40, 1,884,123.60 and 1,118,456.80 is: 1,677,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,082.40 : 1,884,123.60 = 1,118,456.80 : x
  2. Step 2: Convert to fraction form
    1,256,082.40/1,884,123.60 = 1,118,456.80/x
  3. Step 3: Cross multiply
    1,256,082.40x = 1,884,123.60 × 1,118,456.80
  4. Step 4: Simplify right side
    1,256,082.40x = 2,107,310,852,460.48
  5. Step 5: Solve for x
    x = 2,107,310,852,460.48/1,256,082.40
  6. Step 6: Final answer
    x = 1,677,685.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.