Home / 1,267,371.50-1,901,144.72-368,820.68

Finding the Fourth Proportional to 1,267,371.50, 1,901,144.72 and 368,820.68

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Solution

The fourth proportional to 1,267,371.50, 1,901,144.72 and 368,820.68 is: 553,256.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,371.50 : 1,901,144.72 = 368,820.68 : x
  2. Step 2: Convert to fraction form
    1,267,371.50/1,901,144.72 = 368,820.68/x
  3. Step 3: Cross multiply
    1,267,371.50x = 1,901,144.72 × 368,820.68
  4. Step 4: Simplify right side
    1,267,371.50x = 701,181,479,825.14
  5. Step 5: Solve for x
    x = 701,181,479,825.14/1,267,371.50
  6. Step 6: Final answer
    x = 553,256.47

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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.