Home / 1,213,207.80-1,819,155.60-503,307.60

Finding the Fourth Proportional to 1,213,207.80, 1,819,155.60 and 503,307.60

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Solution

The fourth proportional to 1,213,207.80, 1,819,155.60 and 503,307.60 is: 754,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,207.80 : 1,819,155.60 = 503,307.60 : x
  2. Step 2: Convert to fraction form
    1,213,207.80/1,819,155.60 = 503,307.60/x
  3. Step 3: Cross multiply
    1,213,207.80x = 1,819,155.60 × 503,307.60
  4. Step 4: Simplify right side
    1,213,207.80x = 915,594,839,062.56
  5. Step 5: Solve for x
    x = 915,594,839,062.56/1,213,207.80
  6. Step 6: Final answer
    x = 754,689.21

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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.