Home / 1,213,035.80-1,818,897.60-503,135.60

Finding the Fourth Proportional to 1,213,035.80, 1,818,897.60 and 503,135.60

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Solution

The fourth proportional to 1,213,035.80, 1,818,897.60 and 503,135.60 is: 754,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,035.80 : 1,818,897.60 = 503,135.60 : x
  2. Step 2: Convert to fraction form
    1,213,035.80/1,818,897.60 = 503,135.60/x
  3. Step 3: Cross multiply
    1,213,035.80x = 1,818,897.60 × 503,135.60
  4. Step 4: Simplify right side
    1,213,035.80x = 915,152,135,314.56
  5. Step 5: Solve for x
    x = 915,152,135,314.56/1,213,035.80
  6. Step 6: Final answer
    x = 754,431.27

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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.