Home / 1,424,154.15-2,134,754.93-890,449.61

Finding the Fourth Proportional to 1,424,154.15, 2,134,754.93 and 890,449.61

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Solution

The fourth proportional to 1,424,154.15, 2,134,754.93 and 890,449.61 is: 1,334,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,154.15 : 2,134,754.93 = 890,449.61 : x
  2. Step 2: Convert to fraction form
    1,424,154.15/2,134,754.93 = 890,449.61/x
  3. Step 3: Cross multiply
    1,424,154.15x = 2,134,754.93 × 890,449.61
  4. Step 4: Simplify right side
    1,424,154.15x = 1,900,891,686,416.43
  5. Step 5: Solve for x
    x = 1,900,891,686,416.43/1,424,154.15
  6. Step 6: Final answer
    x = 1,334,751.36

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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.