Home / 746,667.60-1,120,005.45-185,702.10

Finding the Fourth Proportional to 746,667.60, 1,120,005.45 and 185,702.10

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Solution

The fourth proportional to 746,667.60, 1,120,005.45 and 185,702.10 is: 278,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,667.60 : 1,120,005.45 = 185,702.10 : x
  2. Step 2: Convert to fraction form
    746,667.60/1,120,005.45 = 185,702.10/x
  3. Step 3: Cross multiply
    746,667.60x = 1,120,005.45 × 185,702.10
  4. Step 4: Simplify right side
    746,667.60x = 207,987,364,076.45
  5. Step 5: Solve for x
    x = 207,987,364,076.45/746,667.60
  6. Step 6: Final answer
    x = 278,554.16

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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.