Home / 1,303,563.10-1,799,102.49-722,915.38

Finding the Fourth Proportional to 1,303,563.10, 1,799,102.49 and 722,915.38

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Solution

The fourth proportional to 1,303,563.10, 1,799,102.49 and 722,915.38 is: 997,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,563.10 : 1,799,102.49 = 722,915.38 : x
  2. Step 2: Convert to fraction form
    1,303,563.10/1,799,102.49 = 722,915.38/x
  3. Step 3: Cross multiply
    1,303,563.10x = 1,799,102.49 × 722,915.38
  4. Step 4: Simplify right side
    1,303,563.10x = 1,300,598,860,217.30
  5. Step 5: Solve for x
    x = 1,300,598,860,217.30/1,303,563.10
  6. Step 6: Final answer
    x = 997,726.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.