Home / 1,011,690.70-1,396,091.52-552,821.02

Finding the Fourth Proportional to 1,011,690.70, 1,396,091.52 and 552,821.02

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Solution

The fourth proportional to 1,011,690.70, 1,396,091.52 and 552,821.02 is: 762,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,690.70 : 1,396,091.52 = 552,821.02 : x
  2. Step 2: Convert to fraction form
    1,011,690.70/1,396,091.52 = 552,821.02/x
  3. Step 3: Cross multiply
    1,011,690.70x = 1,396,091.52 × 552,821.02
  4. Step 4: Simplify right side
    1,011,690.70x = 771,788,734,609.52
  5. Step 5: Solve for x
    x = 771,788,734,609.52/1,011,690.70
  6. Step 6: Final answer
    x = 762,870.25

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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.