Home / 1,389,294.60-2,078,412.30-1,204,360.20

Finding the Fourth Proportional to 1,389,294.60, 2,078,412.30 and 1,204,360.20

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Solution

The fourth proportional to 1,389,294.60, 2,078,412.30 and 1,204,360.20 is: 1,801,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,294.60 : 2,078,412.30 = 1,204,360.20 : x
  2. Step 2: Convert to fraction form
    1,389,294.60/2,078,412.30 = 1,204,360.20/x
  3. Step 3: Cross multiply
    1,389,294.60x = 2,078,412.30 × 1,204,360.20
  4. Step 4: Simplify right side
    1,389,294.60x = 2,503,157,053,310.46
  5. Step 5: Solve for x
    x = 2,503,157,053,310.46/1,389,294.60
  6. Step 6: Final answer
    x = 1,801,746.77

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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.