Home / 1,646,347.20-2,468,138.40-858,379.20

Finding the Fourth Proportional to 1,646,347.20, 2,468,138.40 and 858,379.20

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Solution

The fourth proportional to 1,646,347.20, 2,468,138.40 and 858,379.20 is: 1,286,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,347.20 : 2,468,138.40 = 858,379.20 : x
  2. Step 2: Convert to fraction form
    1,646,347.20/2,468,138.40 = 858,379.20/x
  3. Step 3: Cross multiply
    1,646,347.20x = 2,468,138.40 × 858,379.20
  4. Step 4: Simplify right side
    1,646,347.20x = 2,118,598,665,281.28
  5. Step 5: Solve for x
    x = 2,118,598,665,281.28/1,646,347.20
  6. Step 6: Final answer
    x = 1,286,848.04

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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.