Home / 1,292,565.78-1,938,835.08-333,017.49

Finding the Fourth Proportional to 1,292,565.78, 1,938,835.08 and 333,017.49

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Solution

The fourth proportional to 1,292,565.78, 1,938,835.08 and 333,017.49 is: 499,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,565.78 : 1,938,835.08 = 333,017.49 : x
  2. Step 2: Convert to fraction form
    1,292,565.78/1,938,835.08 = 333,017.49/x
  3. Step 3: Cross multiply
    1,292,565.78x = 1,938,835.08 × 333,017.49
  4. Step 4: Simplify right side
    1,292,565.78x = 645,665,991,865.55
  5. Step 5: Solve for x
    x = 645,665,991,865.55/1,292,565.78
  6. Step 6: Final answer
    x = 499,522.73

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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.