Home / 994,630.60-1,492,140.30-426,010.60

Finding the Fourth Proportional to 994,630.60, 1,492,140.30 and 426,010.60

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Solution

The fourth proportional to 994,630.60, 1,492,140.30 and 426,010.60 is: 639,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,630.60 : 1,492,140.30 = 426,010.60 : x
  2. Step 2: Convert to fraction form
    994,630.60/1,492,140.30 = 426,010.60/x
  3. Step 3: Cross multiply
    994,630.60x = 1,492,140.30 × 426,010.60
  4. Step 4: Simplify right side
    994,630.60x = 635,667,584,487.18
  5. Step 5: Solve for x
    x = 635,667,584,487.18/994,630.60
  6. Step 6: Final answer
    x = 639,099.16

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1.5x scale

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.