Home / 989,949.60-1,365,894.24-602,760.48

Finding the Fourth Proportional to 989,949.60, 1,365,894.24 and 602,760.48

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Solution

The fourth proportional to 989,949.60, 1,365,894.24 and 602,760.48 is: 831,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,949.60 : 1,365,894.24 = 602,760.48 : x
  2. Step 2: Convert to fraction form
    989,949.60/1,365,894.24 = 602,760.48/x
  3. Step 3: Cross multiply
    989,949.60x = 1,365,894.24 × 602,760.48
  4. Step 4: Simplify right side
    989,949.60x = 823,307,067,731.64
  5. Step 5: Solve for x
    x = 823,307,067,731.64/989,949.60
  6. Step 6: Final answer
    x = 831,665.64

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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.