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Finding the Fourth Proportional to 1,016,712, 1,525,068 and 268,758

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Solution

The fourth proportional to 1,016,712, 1,525,068 and 268,758 is: 403,137

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,712 : 1,525,068 = 268,758 : x
  2. Step 2: Convert to fraction form
    1,016,712/1,525,068 = 268,758/x
  3. Step 3: Cross multiply
    1,016,712x = 1,525,068 × 268,758
  4. Step 4: Simplify right side
    1,016,712x = 409,874,225,544
  5. Step 5: Solve for x
    x = 409,874,225,544/1,016,712
  6. Step 6: Final answer
    x = 403,137

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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.