Home / 1,008,019.61-1,391,066.43-555,310.61

Finding the Fourth Proportional to 1,008,019.61, 1,391,066.43 and 555,310.61

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Solution

The fourth proportional to 1,008,019.61, 1,391,066.43 and 555,310.61 is: 766,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,019.61 : 1,391,066.43 = 555,310.61 : x
  2. Step 2: Convert to fraction form
    1,008,019.61/1,391,066.43 = 555,310.61/x
  3. Step 3: Cross multiply
    1,008,019.61x = 1,391,066.43 × 555,310.61
  4. Step 4: Simplify right side
    1,008,019.61x = 772,473,940,838.49
  5. Step 5: Solve for x
    x = 772,473,940,838.49/1,008,019.61
  6. Step 6: Final answer
    x = 766,328.29

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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.