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Finding the Fourth Proportional to 1,107,008, 1,660,512 and 359,054

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Solution

The fourth proportional to 1,107,008, 1,660,512 and 359,054 is: 538,581

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,008 : 1,660,512 = 359,054 : x
  2. Step 2: Convert to fraction form
    1,107,008/1,660,512 = 359,054/x
  3. Step 3: Cross multiply
    1,107,008x = 1,660,512 × 359,054
  4. Step 4: Simplify right side
    1,107,008x = 596,213,475,648
  5. Step 5: Solve for x
    x = 596,213,475,648/1,107,008
  6. Step 6: Final answer
    x = 538,581

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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.