Home / 1,244,638.20-1,862,291.70-824,734.20

Finding the Fourth Proportional to 1,244,638.20, 1,862,291.70 and 824,734.20

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Solution

The fourth proportional to 1,244,638.20, 1,862,291.70 and 824,734.20 is: 1,234,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,638.20 : 1,862,291.70 = 824,734.20 : x
  2. Step 2: Convert to fraction form
    1,244,638.20/1,862,291.70 = 824,734.20/x
  3. Step 3: Cross multiply
    1,244,638.20x = 1,862,291.70 × 824,734.20
  4. Step 4: Simplify right side
    1,244,638.20x = 1,535,895,655,366.14
  5. Step 5: Solve for x
    x = 1,535,895,655,366.14/1,244,638.20
  6. Step 6: Final answer
    x = 1,234,009.74

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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.