Home / 1,679,392.40-2,518,164.12-1,147,514

Finding the Fourth Proportional to 1,679,392.40, 2,518,164.12 and 1,147,514

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Solution

The fourth proportional to 1,679,392.40, 2,518,164.12 and 1,147,514 is: 1,720,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,392.40 : 2,518,164.12 = 1,147,514 : x
  2. Step 2: Convert to fraction form
    1,679,392.40/2,518,164.12 = 1,147,514/x
  3. Step 3: Cross multiply
    1,679,392.40x = 2,518,164.12 × 1,147,514
  4. Step 4: Simplify right side
    1,679,392.40x = 2,889,628,581,997.68
  5. Step 5: Solve for x
    x = 2,889,628,581,997.68/1,679,392.40
  6. Step 6: Final answer
    x = 1,720,639.31

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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.