Home / 1,212,790.80-1,819,842.30-502,890.60

Finding the Fourth Proportional to 1,212,790.80, 1,819,842.30 and 502,890.60

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Solution

The fourth proportional to 1,212,790.80, 1,819,842.30 and 502,890.60 is: 754,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,790.80 : 1,819,842.30 = 502,890.60 : x
  2. Step 2: Convert to fraction form
    1,212,790.80/1,819,842.30 = 502,890.60/x
  3. Step 3: Cross multiply
    1,212,790.80x = 1,819,842.30 × 502,890.60
  4. Step 4: Simplify right side
    1,212,790.80x = 915,181,586,152.38
  5. Step 5: Solve for x
    x = 915,181,586,152.38/1,212,790.80
  6. Step 6: Final answer
    x = 754,607.96

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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.