Home / 1,213,214.80-1,819,166.10-503,314.60

Finding the Fourth Proportional to 1,213,214.80, 1,819,166.10 and 503,314.60

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Solution

The fourth proportional to 1,213,214.80, 1,819,166.10 and 503,314.60 is: 754,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,214.80 : 1,819,166.10 = 503,314.60 : x
  2. Step 2: Convert to fraction form
    1,213,214.80/1,819,166.10 = 503,314.60/x
  3. Step 3: Cross multiply
    1,213,214.80x = 1,819,166.10 × 503,314.60
  4. Step 4: Simplify right side
    1,213,214.80x = 915,612,857,955.06
  5. Step 5: Solve for x
    x = 915,612,857,955.06/1,213,214.80
  6. Step 6: Final answer
    x = 754,699.71

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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.