Home / 1,967,084.90-2,948,876.84-768,734.66

Finding the Fourth Proportional to 1,967,084.90, 2,948,876.84 and 768,734.66

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Solution

The fourth proportional to 1,967,084.90, 2,948,876.84 and 768,734.66 is: 1,152,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,084.90 : 2,948,876.84 = 768,734.66 : x
  2. Step 2: Convert to fraction form
    1,967,084.90/2,948,876.84 = 768,734.66/x
  3. Step 3: Cross multiply
    1,967,084.90x = 2,948,876.84 × 768,734.66
  4. Step 4: Simplify right side
    1,967,084.90x = 2,266,903,834,979.27
  5. Step 5: Solve for x
    x = 2,266,903,834,979.27/1,967,084.90
  6. Step 6: Final answer
    x = 1,152,417.89

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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.