Home / 1,274,021-1,758,221.73-730,247.40

Finding the Fourth Proportional to 1,274,021, 1,758,221.73 and 730,247.40

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Solution

The fourth proportional to 1,274,021, 1,758,221.73 and 730,247.40 is: 1,007,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,021 : 1,758,221.73 = 730,247.40 : x
  2. Step 2: Convert to fraction form
    1,274,021/1,758,221.73 = 730,247.40/x
  3. Step 3: Cross multiply
    1,274,021x = 1,758,221.73 × 730,247.40
  4. Step 4: Simplify right side
    1,274,021x = 1,283,936,834,513.66
  5. Step 5: Solve for x
    x = 1,283,936,834,513.66/1,274,021
  6. Step 6: Final answer
    x = 1,007,783.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.