Home / 1,245,531.74-1,868,299.43-346,976.06

Finding the Fourth Proportional to 1,245,531.74, 1,868,299.43 and 346,976.06

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Solution

The fourth proportional to 1,245,531.74, 1,868,299.43 and 346,976.06 is: 520,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,531.74 : 1,868,299.43 = 346,976.06 : x
  2. Step 2: Convert to fraction form
    1,245,531.74/1,868,299.43 = 346,976.06/x
  3. Step 3: Cross multiply
    1,245,531.74x = 1,868,299.43 × 346,976.06
  4. Step 4: Simplify right side
    1,245,531.74x = 648,255,164,045.27
  5. Step 5: Solve for x
    x = 648,255,164,045.27/1,245,531.74
  6. Step 6: Final answer
    x = 520,464.59

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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.