Home / 1,312,306.22-1,810,982.57-708,694.22

Finding the Fourth Proportional to 1,312,306.22, 1,810,982.57 and 708,694.22

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Solution

The fourth proportional to 1,312,306.22, 1,810,982.57 and 708,694.22 is: 977,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,306.22 : 1,810,982.57 = 708,694.22 : x
  2. Step 2: Convert to fraction form
    1,312,306.22/1,810,982.57 = 708,694.22/x
  3. Step 3: Cross multiply
    1,312,306.22x = 1,810,982.57 × 708,694.22
  4. Step 4: Simplify right side
    1,312,306.22x = 1,283,432,879,879.75
  5. Step 5: Solve for x
    x = 1,283,432,879,879.75/1,312,306.22
  6. Step 6: Final answer
    x = 977,998.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.