Home / 1,144,943.20-1,725,644.48-986,926.36

Finding the Fourth Proportional to 1,144,943.20, 1,725,644.48 and 986,926.36

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Solution

The fourth proportional to 1,144,943.20, 1,725,644.48 and 986,926.36 is: 1,487,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,943.20 : 1,725,644.48 = 986,926.36 : x
  2. Step 2: Convert to fraction form
    1,144,943.20/1,725,644.48 = 986,926.36/x
  3. Step 3: Cross multiply
    1,144,943.20x = 1,725,644.48 × 986,926.36
  4. Step 4: Simplify right side
    1,144,943.20x = 1,703,084,025,300.49
  5. Step 5: Solve for x
    x = 1,703,084,025,300.49/1,144,943.20
  6. Step 6: Final answer
    x = 1,487,483.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.