Home / 891,126.54-1,336,667.61-260,045.82

Finding the Fourth Proportional to 891,126.54, 1,336,667.61 and 260,045.82

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Solution

The fourth proportional to 891,126.54, 1,336,667.61 and 260,045.82 is: 390,062.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,126.54 : 1,336,667.61 = 260,045.82 : x
  2. Step 2: Convert to fraction form
    891,126.54/1,336,667.61 = 260,045.82/x
  3. Step 3: Cross multiply
    891,126.54x = 1,336,667.61 × 260,045.82
  4. Step 4: Simplify right side
    891,126.54x = 347,594,824,709.89
  5. Step 5: Solve for x
    x = 347,594,824,709.89/891,126.54
  6. Step 6: Final answer
    x = 390,062.25

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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.