Home / 1,018,511.20-1,527,766.80-664,217.20

Finding the Fourth Proportional to 1,018,511.20, 1,527,766.80 and 664,217.20

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Solution

The fourth proportional to 1,018,511.20, 1,527,766.80 and 664,217.20 is: 996,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,511.20 : 1,527,766.80 = 664,217.20 : x
  2. Step 2: Convert to fraction form
    1,018,511.20/1,527,766.80 = 664,217.20/x
  3. Step 3: Cross multiply
    1,018,511.20x = 1,527,766.80 × 664,217.20
  4. Step 4: Simplify right side
    1,018,511.20x = 1,014,768,986,148.96
  5. Step 5: Solve for x
    x = 1,014,768,986,148.96/1,018,511.20
  6. Step 6: Final answer
    x = 996,325.80

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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.