Home / 1,387,284.80-2,081,065.80-376,422.80

Finding the Fourth Proportional to 1,387,284.80, 2,081,065.80 and 376,422.80

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Solution

The fourth proportional to 1,387,284.80, 2,081,065.80 and 376,422.80 is: 564,671.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,284.80 : 2,081,065.80 = 376,422.80 : x
  2. Step 2: Convert to fraction form
    1,387,284.80/2,081,065.80 = 376,422.80/x
  3. Step 3: Cross multiply
    1,387,284.80x = 2,081,065.80 × 376,422.80
  4. Step 4: Simplify right side
    1,387,284.80x = 783,360,615,420.24
  5. Step 5: Solve for x
    x = 783,360,615,420.24/1,387,284.80
  6. Step 6: Final answer
    x = 564,671.81

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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.