Home / 1,480,789.31-2,043,137.76-900,002.30

Finding the Fourth Proportional to 1,480,789.31, 2,043,137.76 and 900,002.30

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Solution

The fourth proportional to 1,480,789.31, 2,043,137.76 and 900,002.30 is: 1,241,789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,789.31 : 2,043,137.76 = 900,002.30 : x
  2. Step 2: Convert to fraction form
    1,480,789.31/2,043,137.76 = 900,002.30/x
  3. Step 3: Cross multiply
    1,480,789.31x = 2,043,137.76 × 900,002.30
  4. Step 4: Simplify right side
    1,480,789.31x = 1,838,828,680,359.01
  5. Step 5: Solve for x
    x = 1,838,828,680,359.01/1,480,789.31
  6. Step 6: Final answer
    x = 1,241,789.54

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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.