Home / 989,328.48-1,366,554.66-731,729.04

Finding the Fourth Proportional to 989,328.48, 1,366,554.66 and 731,729.04

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Solution

The fourth proportional to 989,328.48, 1,366,554.66 and 731,729.04 is: 1,010,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,328.48 : 1,366,554.66 = 731,729.04 : x
  2. Step 2: Convert to fraction form
    989,328.48/1,366,554.66 = 731,729.04/x
  3. Step 3: Cross multiply
    989,328.48x = 1,366,554.66 × 731,729.04
  4. Step 4: Simplify right side
    989,328.48x = 999,947,729,469.33
  5. Step 5: Solve for x
    x = 999,947,729,469.33/989,328.48
  6. Step 6: Final answer
    x = 1,010,733.80

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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.