Home / 1,249,271.96-1,874,654.48-1,147,633.86

Finding the Fourth Proportional to 1,249,271.96, 1,874,654.48 and 1,147,633.86

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Solution

The fourth proportional to 1,249,271.96, 1,874,654.48 and 1,147,633.86 is: 1,722,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,271.96 : 1,874,654.48 = 1,147,633.86 : x
  2. Step 2: Convert to fraction form
    1,249,271.96/1,874,654.48 = 1,147,633.86/x
  3. Step 3: Cross multiply
    1,249,271.96x = 1,874,654.48 × 1,147,633.86
  4. Step 4: Simplify right side
    1,249,271.96x = 2,151,416,957,048.69
  5. Step 5: Solve for x
    x = 2,151,416,957,048.69/1,249,271.96
  6. Step 6: Final answer
    x = 1,722,136.59

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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.