Home / 1,011,254.01-1,396,091.06-689,436.96

Finding the Fourth Proportional to 1,011,254.01, 1,396,091.06 and 689,436.96

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Solution

The fourth proportional to 1,011,254.01, 1,396,091.06 and 689,436.96 is: 951,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,254.01 : 1,396,091.06 = 689,436.96 : x
  2. Step 2: Convert to fraction form
    1,011,254.01/1,396,091.06 = 689,436.96/x
  3. Step 3: Cross multiply
    1,011,254.01x = 1,396,091.06 × 689,436.96
  4. Step 4: Simplify right side
    1,011,254.01x = 962,516,776,289.58
  5. Step 5: Solve for x
    x = 962,516,776,289.58/1,011,254.01
  6. Step 6: Final answer
    x = 951,805.15

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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.