Home / 1,765,943.56-2,437,470.78-1,087,448.68

Finding the Fourth Proportional to 1,765,943.56, 2,437,470.78 and 1,087,448.68

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Solution

The fourth proportional to 1,765,943.56, 2,437,470.78 and 1,087,448.68 is: 1,500,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,943.56 : 2,437,470.78 = 1,087,448.68 : x
  2. Step 2: Convert to fraction form
    1,765,943.56/2,437,470.78 = 1,087,448.68/x
  3. Step 3: Cross multiply
    1,765,943.56x = 2,437,470.78 × 1,087,448.68
  4. Step 4: Simplify right side
    1,765,943.56x = 2,650,624,382,249.57
  5. Step 5: Solve for x
    x = 2,650,624,382,249.57/1,765,943.56
  6. Step 6: Final answer
    x = 1,500,967.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.