Home / 989,928.48-1,365,395.46-908,519.04

Finding the Fourth Proportional to 989,928.48, 1,365,395.46 and 908,519.04

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Solution

The fourth proportional to 989,928.48, 1,365,395.46 and 908,519.04 is: 1,253,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,928.48 : 1,365,395.46 = 908,519.04 : x
  2. Step 2: Convert to fraction form
    989,928.48/1,365,395.46 = 908,519.04/x
  3. Step 3: Cross multiply
    989,928.48x = 1,365,395.46 × 908,519.04
  4. Step 4: Simplify right side
    989,928.48x = 1,240,487,772,539.56
  5. Step 5: Solve for x
    x = 1,240,487,772,539.56/989,928.48
  6. Step 6: Final answer
    x = 1,253,108.48

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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.