Home / 1,440,642.55-2,161,048.40-542,092.07

Finding the Fourth Proportional to 1,440,642.55, 2,161,048.40 and 542,092.07

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Solution

The fourth proportional to 1,440,642.55, 2,161,048.40 and 542,092.07 is: 813,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,642.55 : 2,161,048.40 = 542,092.07 : x
  2. Step 2: Convert to fraction form
    1,440,642.55/2,161,048.40 = 542,092.07/x
  3. Step 3: Cross multiply
    1,440,642.55x = 2,161,048.40 × 542,092.07
  4. Step 4: Simplify right side
    1,440,642.55x = 1,171,487,198,410.96
  5. Step 5: Solve for x
    x = 1,171,487,198,410.96/1,440,642.55
  6. Step 6: Final answer
    x = 813,169.93

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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.