Home / 1,130,242.70-1,695,451.57-320,613.48

Finding the Fourth Proportional to 1,130,242.70, 1,695,451.57 and 320,613.48

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Solution

The fourth proportional to 1,130,242.70, 1,695,451.57 and 320,613.48 is: 480,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,242.70 : 1,695,451.57 = 320,613.48 : x
  2. Step 2: Convert to fraction form
    1,130,242.70/1,695,451.57 = 320,613.48/x
  3. Step 3: Cross multiply
    1,130,242.70x = 1,695,451.57 × 320,613.48
  4. Step 4: Simplify right side
    1,130,242.70x = 543,584,627,227.63
  5. Step 5: Solve for x
    x = 543,584,627,227.63/1,130,242.70
  6. Step 6: Final answer
    x = 480,945.04

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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.