Home / 1,471,443.20-2,205,998.40-806,595.20

Finding the Fourth Proportional to 1,471,443.20, 2,205,998.40 and 806,595.20

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Solution

The fourth proportional to 1,471,443.20, 2,205,998.40 and 806,595.20 is: 1,209,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,443.20 : 2,205,998.40 = 806,595.20 : x
  2. Step 2: Convert to fraction form
    1,471,443.20/2,205,998.40 = 806,595.20/x
  3. Step 3: Cross multiply
    1,471,443.20x = 2,205,998.40 × 806,595.20
  4. Step 4: Simplify right side
    1,471,443.20x = 1,779,347,720,647.68
  5. Step 5: Solve for x
    x = 1,779,347,720,647.68/1,471,443.20
  6. Step 6: Final answer
    x = 1,209,253.42

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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.