Home / 1,680,824.72-2,319,535.37-916,878.29

Finding the Fourth Proportional to 1,680,824.72, 2,319,535.37 and 916,878.29

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Solution

The fourth proportional to 1,680,824.72, 2,319,535.37 and 916,878.29 is: 1,265,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,824.72 : 2,319,535.37 = 916,878.29 : x
  2. Step 2: Convert to fraction form
    1,680,824.72/2,319,535.37 = 916,878.29/x
  3. Step 3: Cross multiply
    1,680,824.72x = 2,319,535.37 × 916,878.29
  4. Step 4: Simplify right side
    1,680,824.72x = 2,126,731,614,334.64
  5. Step 5: Solve for x
    x = 2,126,731,614,334.64/1,680,824.72
  6. Step 6: Final answer
    x = 1,265,290.54

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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.