Home / 1,180,489.60-1,771,181.52-707,514.40

Finding the Fourth Proportional to 1,180,489.60, 1,771,181.52 and 707,514.40

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Solution

The fourth proportional to 1,180,489.60, 1,771,181.52 and 707,514.40 is: 1,061,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,489.60 : 1,771,181.52 = 707,514.40 : x
  2. Step 2: Convert to fraction form
    1,180,489.60/1,771,181.52 = 707,514.40/x
  3. Step 3: Cross multiply
    1,180,489.60x = 1,771,181.52 × 707,514.40
  4. Step 4: Simplify right side
    1,180,489.60x = 1,253,136,430,413.89
  5. Step 5: Solve for x
    x = 1,253,136,430,413.89/1,180,489.60
  6. Step 6: Final answer
    x = 1,061,539.58

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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.