Home / 1,877,212.42-2,816,655.75-865,790.50

Finding the Fourth Proportional to 1,877,212.42, 2,816,655.75 and 865,790.50

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Solution

The fourth proportional to 1,877,212.42, 2,816,655.75 and 865,790.50 is: 1,299,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,212.42 : 2,816,655.75 = 865,790.50 : x
  2. Step 2: Convert to fraction form
    1,877,212.42/2,816,655.75 = 865,790.50/x
  3. Step 3: Cross multiply
    1,877,212.42x = 2,816,655.75 × 865,790.50
  4. Step 4: Simplify right side
    1,877,212.42x = 2,438,633,790,120.38
  5. Step 5: Solve for x
    x = 2,438,633,790,120.38/1,877,212.42
  6. Step 6: Final answer
    x = 1,299,071.84

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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.