Home / 1,479,288.60-2,218,932.90-1,213,349.40

Finding the Fourth Proportional to 1,479,288.60, 2,218,932.90 and 1,213,349.40

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Solution

The fourth proportional to 1,479,288.60, 2,218,932.90 and 1,213,349.40 is: 1,820,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,288.60 : 2,218,932.90 = 1,213,349.40 : x
  2. Step 2: Convert to fraction form
    1,479,288.60/2,218,932.90 = 1,213,349.40/x
  3. Step 3: Cross multiply
    1,479,288.60x = 2,218,932.90 × 1,213,349.40
  4. Step 4: Simplify right side
    1,479,288.60x = 2,692,340,902,855.26
  5. Step 5: Solve for x
    x = 2,692,340,902,855.26/1,479,288.60
  6. Step 6: Final answer
    x = 1,820,024.10

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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.