Home / 1,280,181.80-1,766,500.26-707,187.80

Finding the Fourth Proportional to 1,280,181.80, 1,766,500.26 and 707,187.80

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Solution

The fourth proportional to 1,280,181.80, 1,766,500.26 and 707,187.80 is: 975,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,181.80 : 1,766,500.26 = 707,187.80 : x
  2. Step 2: Convert to fraction form
    1,280,181.80/1,766,500.26 = 707,187.80/x
  3. Step 3: Cross multiply
    1,280,181.80x = 1,766,500.26 × 707,187.80
  4. Step 4: Simplify right side
    1,280,181.80x = 1,249,247,433,342.77
  5. Step 5: Solve for x
    x = 1,249,247,433,342.77/1,280,181.80
  6. Step 6: Final answer
    x = 975,835.96

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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.