Home / 1,206,085.80-1,810,511.10-707,730.60

Finding the Fourth Proportional to 1,206,085.80, 1,810,511.10 and 707,730.60

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Solution

The fourth proportional to 1,206,085.80, 1,810,511.10 and 707,730.60 is: 1,062,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,085.80 : 1,810,511.10 = 707,730.60 : x
  2. Step 2: Convert to fraction form
    1,206,085.80/1,810,511.10 = 707,730.60/x
  3. Step 3: Cross multiply
    1,206,085.80x = 1,810,511.10 × 707,730.60
  4. Step 4: Simplify right side
    1,206,085.80x = 1,281,354,107,109.66
  5. Step 5: Solve for x
    x = 1,281,354,107,109.66/1,206,085.80
  6. Step 6: Final answer
    x = 1,062,407.09

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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.