Home / 1,791,803.25-2,472,688.62-986,987.25

Finding the Fourth Proportional to 1,791,803.25, 2,472,688.62 and 986,987.25

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Solution

The fourth proportional to 1,791,803.25, 2,472,688.62 and 986,987.25 is: 1,362,042.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,803.25 : 2,472,688.62 = 986,987.25 : x
  2. Step 2: Convert to fraction form
    1,791,803.25/2,472,688.62 = 986,987.25/x
  3. Step 3: Cross multiply
    1,791,803.25x = 2,472,688.62 × 986,987.25
  4. Step 4: Simplify right side
    1,791,803.25x = 2,440,512,141,160.10
  5. Step 5: Solve for x
    x = 2,440,512,141,160.10/1,791,803.25
  6. Step 6: Final answer
    x = 1,362,042.48

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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.