Home / 1,353,476.90-2,028,000.54-819,379.10

Finding the Fourth Proportional to 1,353,476.90, 2,028,000.54 and 819,379.10

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Solution

The fourth proportional to 1,353,476.90, 2,028,000.54 and 819,379.10 is: 1,227,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,476.90 : 2,028,000.54 = 819,379.10 : x
  2. Step 2: Convert to fraction form
    1,353,476.90/2,028,000.54 = 819,379.10/x
  3. Step 3: Cross multiply
    1,353,476.90x = 2,028,000.54 × 819,379.10
  4. Step 4: Simplify right side
    1,353,476.90x = 1,661,701,257,264.71
  5. Step 5: Solve for x
    x = 1,661,701,257,264.71/1,353,476.90
  6. Step 6: Final answer
    x = 1,227,727.83

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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.