Home / 1,521,910.54-2,280,881.79-847,964.62

Finding the Fourth Proportional to 1,521,910.54, 2,280,881.79 and 847,964.62

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Solution

The fourth proportional to 1,521,910.54, 2,280,881.79 and 847,964.62 is: 1,270,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,910.54 : 2,280,881.79 = 847,964.62 : x
  2. Step 2: Convert to fraction form
    1,521,910.54/2,280,881.79 = 847,964.62/x
  3. Step 3: Cross multiply
    1,521,910.54x = 2,280,881.79 × 847,964.62
  4. Step 4: Simplify right side
    1,521,910.54x = 1,934,107,060,322.27
  5. Step 5: Solve for x
    x = 1,934,107,060,322.27/1,521,910.54
  6. Step 6: Final answer
    x = 1,270,841.49

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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.