Home / 782,027.88-1,173,871.32-692,650.80

Finding the Fourth Proportional to 782,027.88, 1,173,871.32 and 692,650.80

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Solution

The fourth proportional to 782,027.88, 1,173,871.32 and 692,650.80 is: 1,039,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,027.88 : 1,173,871.32 = 692,650.80 : x
  2. Step 2: Convert to fraction form
    782,027.88/1,173,871.32 = 692,650.80/x
  3. Step 3: Cross multiply
    782,027.88x = 1,173,871.32 × 692,650.80
  4. Step 4: Simplify right side
    782,027.88x = 813,082,908,895.06
  5. Step 5: Solve for x
    x = 813,082,908,895.06/782,027.88
  6. Step 6: Final answer
    x = 1,039,710.90

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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.