Home / 848,119.20-1,272,178.80-753,640.80

Finding the Fourth Proportional to 848,119.20, 1,272,178.80 and 753,640.80

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Solution

The fourth proportional to 848,119.20, 1,272,178.80 and 753,640.80 is: 1,130,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,119.20 : 1,272,178.80 = 753,640.80 : x
  2. Step 2: Convert to fraction form
    848,119.20/1,272,178.80 = 753,640.80/x
  3. Step 3: Cross multiply
    848,119.20x = 1,272,178.80 × 753,640.80
  4. Step 4: Simplify right side
    848,119.20x = 958,765,848,575.04
  5. Step 5: Solve for x
    x = 958,765,848,575.04/848,119.20
  6. Step 6: Final answer
    x = 1,130,461.20

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Double scale
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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.