Home / 859,875.20-1,288,257.60-701,244.80

Finding the Fourth Proportional to 859,875.20, 1,288,257.60 and 701,244.80

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Solution

The fourth proportional to 859,875.20, 1,288,257.60 and 701,244.80 is: 1,050,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,875.20 : 1,288,257.60 = 701,244.80 : x
  2. Step 2: Convert to fraction form
    859,875.20/1,288,257.60 = 701,244.80/x
  3. Step 3: Cross multiply
    859,875.20x = 1,288,257.60 × 701,244.80
  4. Step 4: Simplify right side
    859,875.20x = 903,383,943,060.48
  5. Step 5: Solve for x
    x = 903,383,943,060.48/859,875.20
  6. Step 6: Final answer
    x = 1,050,598.90

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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.