Home / 1,204,387.19-1,662,077.71-660,491.22

Finding the Fourth Proportional to 1,204,387.19, 1,662,077.71 and 660,491.22

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Solution

The fourth proportional to 1,204,387.19, 1,662,077.71 and 660,491.22 is: 911,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,387.19 : 1,662,077.71 = 660,491.22 : x
  2. Step 2: Convert to fraction form
    1,204,387.19/1,662,077.71 = 660,491.22/x
  3. Step 3: Cross multiply
    1,204,387.19x = 1,662,077.71 × 660,491.22
  4. Step 4: Simplify right side
    1,204,387.19x = 1,097,787,734,412.71
  5. Step 5: Solve for x
    x = 1,097,787,734,412.71/1,204,387.19
  6. Step 6: Final answer
    x = 911,490.71

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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.