Home / 1,440,838.02-2,161,256.98-542,481.30

Finding the Fourth Proportional to 1,440,838.02, 2,161,256.98 and 542,481.30

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Solution

The fourth proportional to 1,440,838.02, 2,161,256.98 and 542,481.30 is: 813,721.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,838.02 : 2,161,256.98 = 542,481.30 : x
  2. Step 2: Convert to fraction form
    1,440,838.02/2,161,256.98 = 542,481.30/x
  3. Step 3: Cross multiply
    1,440,838.02x = 2,161,256.98 × 542,481.30
  4. Step 4: Simplify right side
    1,440,838.02x = 1,172,441,496,144.47
  5. Step 5: Solve for x
    x = 1,172,441,496,144.47/1,440,838.02
  6. Step 6: Final answer
    x = 813,721.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.