Home / 1,298,429.55-1,947,644.33-738,557.55

Finding the Fourth Proportional to 1,298,429.55, 1,947,644.33 and 738,557.55

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Solution

The fourth proportional to 1,298,429.55, 1,947,644.33 and 738,557.55 is: 1,107,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,429.55 : 1,947,644.33 = 738,557.55 : x
  2. Step 2: Convert to fraction form
    1,298,429.55/1,947,644.33 = 738,557.55/x
  3. Step 3: Cross multiply
    1,298,429.55x = 1,947,644.33 × 738,557.55
  4. Step 4: Simplify right side
    1,298,429.55x = 1,438,447,420,943.40
  5. Step 5: Solve for x
    x = 1,438,447,420,943.40/1,298,429.55
  6. Step 6: Final answer
    x = 1,107,836.33

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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.