Home / 1,471,381.20-2,205,905.40-806,533.20

Finding the Fourth Proportional to 1,471,381.20, 2,205,905.40 and 806,533.20

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Solution

The fourth proportional to 1,471,381.20, 2,205,905.40 and 806,533.20 is: 1,209,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,381.20 : 2,205,905.40 = 806,533.20 : x
  2. Step 2: Convert to fraction form
    1,471,381.20/2,205,905.40 = 806,533.20/x
  3. Step 3: Cross multiply
    1,471,381.20x = 2,205,905.40 × 806,533.20
  4. Step 4: Simplify right side
    1,471,381.20x = 1,779,135,941,159.28
  5. Step 5: Solve for x
    x = 1,779,135,941,159.28/1,471,381.20
  6. Step 6: Final answer
    x = 1,209,160.44

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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.