Home / 1,318,404.12-1,819,433.52-745,530

Finding the Fourth Proportional to 1,318,404.12, 1,819,433.52 and 745,530

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Solution

The fourth proportional to 1,318,404.12, 1,819,433.52 and 745,530 is: 1,028,851.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,404.12 : 1,819,433.52 = 745,530 : x
  2. Step 2: Convert to fraction form
    1,318,404.12/1,819,433.52 = 745,530/x
  3. Step 3: Cross multiply
    1,318,404.12x = 1,819,433.52 × 745,530
  4. Step 4: Simplify right side
    1,318,404.12x = 1,356,442,272,165.60
  5. Step 5: Solve for x
    x = 1,356,442,272,165.60/1,318,404.12
  6. Step 6: Final answer
    x = 1,028,851.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.