Home / 1,767,888.80-2,652,217.20-645,956

Finding the Fourth Proportional to 1,767,888.80, 2,652,217.20 and 645,956

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Solution

The fourth proportional to 1,767,888.80, 2,652,217.20 and 645,956 is: 969,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,888.80 : 2,652,217.20 = 645,956 : x
  2. Step 2: Convert to fraction form
    1,767,888.80/2,652,217.20 = 645,956/x
  3. Step 3: Cross multiply
    1,767,888.80x = 2,652,217.20 × 645,956
  4. Step 4: Simplify right side
    1,767,888.80x = 1,713,215,613,643.20
  5. Step 5: Solve for x
    x = 1,713,215,613,643.20/1,767,888.80
  6. Step 6: Final answer
    x = 969,074.31

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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.