Home / 885,826.80-1,328,740.20-708,679.80

Finding the Fourth Proportional to 885,826.80, 1,328,740.20 and 708,679.80

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Solution

The fourth proportional to 885,826.80, 1,328,740.20 and 708,679.80 is: 1,063,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,826.80 : 1,328,740.20 = 708,679.80 : x
  2. Step 2: Convert to fraction form
    885,826.80/1,328,740.20 = 708,679.80/x
  3. Step 3: Cross multiply
    885,826.80x = 1,328,740.20 × 708,679.80
  4. Step 4: Simplify right side
    885,826.80x = 941,651,339,187.96
  5. Step 5: Solve for x
    x = 941,651,339,187.96/885,826.80
  6. Step 6: Final answer
    x = 1,063,019.70

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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.