Home / 1,471,386.20-2,205,912.90-806,538.20

Finding the Fourth Proportional to 1,471,386.20, 2,205,912.90 and 806,538.20

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Solution

The fourth proportional to 1,471,386.20, 2,205,912.90 and 806,538.20 is: 1,209,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,386.20 : 2,205,912.90 = 806,538.20 : x
  2. Step 2: Convert to fraction form
    1,471,386.20/2,205,912.90 = 806,538.20/x
  3. Step 3: Cross multiply
    1,471,386.20x = 2,205,912.90 × 806,538.20
  4. Step 4: Simplify right side
    1,471,386.20x = 1,779,153,019,722.78
  5. Step 5: Solve for x
    x = 1,779,153,019,722.78/1,471,386.20
  6. Step 6: Final answer
    x = 1,209,167.94

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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.