Home / 1,521,455-2,281,328.76-1,042,224.44

Finding the Fourth Proportional to 1,521,455, 2,281,328.76 and 1,042,224.44

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Solution

The fourth proportional to 1,521,455, 2,281,328.76 and 1,042,224.44 is: 1,562,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,455 : 2,281,328.76 = 1,042,224.44 : x
  2. Step 2: Convert to fraction form
    1,521,455/2,281,328.76 = 1,042,224.44/x
  3. Step 3: Cross multiply
    1,521,455x = 2,281,328.76 × 1,042,224.44
  4. Step 4: Simplify right side
    1,521,455x = 2,377,656,589,346.89
  5. Step 5: Solve for x
    x = 2,377,656,589,346.89/1,521,455
  6. Step 6: Final answer
    x = 1,562,751.83

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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.