Home / 1,235,679.40-1,853,161.24-371,079.48

Finding the Fourth Proportional to 1,235,679.40, 1,853,161.24 and 371,079.48

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Solution

The fourth proportional to 1,235,679.40, 1,853,161.24 and 371,079.48 is: 556,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,679.40 : 1,853,161.24 = 371,079.48 : x
  2. Step 2: Convert to fraction form
    1,235,679.40/1,853,161.24 = 371,079.48/x
  3. Step 3: Cross multiply
    1,235,679.40x = 1,853,161.24 × 371,079.48
  4. Step 4: Simplify right side
    1,235,679.40x = 687,670,109,295.36
  5. Step 5: Solve for x
    x = 687,670,109,295.36/1,235,679.40
  6. Step 6: Final answer
    x = 556,511.75

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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.