Home / 1,480,789.56-2,043,138.11-900,002.55

Finding the Fourth Proportional to 1,480,789.56, 2,043,138.11 and 900,002.55

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Solution

The fourth proportional to 1,480,789.56, 2,043,138.11 and 900,002.55 is: 1,241,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,789.56 : 2,043,138.11 = 900,002.55 : x
  2. Step 2: Convert to fraction form
    1,480,789.56/2,043,138.11 = 900,002.55/x
  3. Step 3: Cross multiply
    1,480,789.56x = 2,043,138.11 × 900,002.55
  4. Step 4: Simplify right side
    1,480,789.56x = 1,838,829,501,644.33
  5. Step 5: Solve for x
    x = 1,838,829,501,644.33/1,480,789.56
  6. Step 6: Final answer
    x = 1,241,789.89

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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.