Home / 1,754,293.56-2,631,438.80-660,282.78

Finding the Fourth Proportional to 1,754,293.56, 2,631,438.80 and 660,282.78

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Solution

The fourth proportional to 1,754,293.56, 2,631,438.80 and 660,282.78 is: 990,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,293.56 : 2,631,438.80 = 660,282.78 : x
  2. Step 2: Convert to fraction form
    1,754,293.56/2,631,438.80 = 660,282.78/x
  3. Step 3: Cross multiply
    1,754,293.56x = 2,631,438.80 × 660,282.78
  4. Step 4: Simplify right side
    1,754,293.56x = 1,737,493,713,106.67
  5. Step 5: Solve for x
    x = 1,737,493,713,106.67/1,754,293.56
  6. Step 6: Final answer
    x = 990,423.58

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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.