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Finding the Fourth Proportional to 1,008,965, 1,512,737.88 and 468,647.62

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Solution

The fourth proportional to 1,008,965, 1,512,737.88 and 468,647.62 is: 702,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,965 : 1,512,737.88 = 468,647.62 : x
  2. Step 2: Convert to fraction form
    1,008,965/1,512,737.88 = 468,647.62/x
  3. Step 3: Cross multiply
    1,008,965x = 1,512,737.88 × 468,647.62
  4. Step 4: Simplify right side
    1,008,965x = 708,941,007,145.85
  5. Step 5: Solve for x
    x = 708,941,007,145.85/1,008,965
  6. Step 6: Final answer
    x = 702,641.82

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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.