Home / 1,379,660.30-2,069,405.09-514,926.89

Finding the Fourth Proportional to 1,379,660.30, 2,069,405.09 and 514,926.89

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Solution

The fourth proportional to 1,379,660.30, 2,069,405.09 and 514,926.89 is: 772,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,660.30 : 2,069,405.09 = 514,926.89 : x
  2. Step 2: Convert to fraction form
    1,379,660.30/2,069,405.09 = 514,926.89/x
  3. Step 3: Cross multiply
    1,379,660.30x = 2,069,405.09 × 514,926.89
  4. Step 4: Simplify right side
    1,379,660.30x = 1,065,592,327,143.87
  5. Step 5: Solve for x
    x = 1,065,592,327,143.87/1,379,660.30
  6. Step 6: Final answer
    x = 772,358.48

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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.