Home / 1,000,702.88-1,501,136.94-326,769.20

Finding the Fourth Proportional to 1,000,702.88, 1,501,136.94 and 326,769.20

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Solution

The fourth proportional to 1,000,702.88, 1,501,136.94 and 326,769.20 is: 490,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,702.88 : 1,501,136.94 = 326,769.20 : x
  2. Step 2: Convert to fraction form
    1,000,702.88/1,501,136.94 = 326,769.20/x
  3. Step 3: Cross multiply
    1,000,702.88x = 1,501,136.94 × 326,769.20
  4. Step 4: Simplify right side
    1,000,702.88x = 490,525,316,974.25
  5. Step 5: Solve for x
    x = 490,525,316,974.25/1,000,702.88
  6. Step 6: Final answer
    x = 490,180.78

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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.