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Finding the Fourth Proportional to 1,170,019, 1,755,028.50 and 283,555

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Solution

The fourth proportional to 1,170,019, 1,755,028.50 and 283,555 is: 425,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,019 : 1,755,028.50 = 283,555 : x
  2. Step 2: Convert to fraction form
    1,170,019/1,755,028.50 = 283,555/x
  3. Step 3: Cross multiply
    1,170,019x = 1,755,028.50 × 283,555
  4. Step 4: Simplify right side
    1,170,019x = 497,647,106,317.50
  5. Step 5: Solve for x
    x = 497,647,106,317.50/1,170,019
  6. Step 6: Final answer
    x = 425,332.50

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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.