Home / 1,066,265.02-1,599,397.52-426,856.61

Finding the Fourth Proportional to 1,066,265.02, 1,599,397.52 and 426,856.61

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Solution

The fourth proportional to 1,066,265.02, 1,599,397.52 and 426,856.61 is: 640,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,265.02 : 1,599,397.52 = 426,856.61 : x
  2. Step 2: Convert to fraction form
    1,066,265.02/1,599,397.52 = 426,856.61/x
  3. Step 3: Cross multiply
    1,066,265.02x = 1,599,397.52 × 426,856.61
  4. Step 4: Simplify right side
    1,066,265.02x = 682,713,404,397.12
  5. Step 5: Solve for x
    x = 682,713,404,397.12/1,066,265.02
  6. Step 6: Final answer
    x = 640,284.91

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Double scale
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Similar ratio
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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.