Home / 1,320,411.17-1,980,751.01-455,733.54

Finding the Fourth Proportional to 1,320,411.17, 1,980,751.01 and 455,733.54

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Solution

The fourth proportional to 1,320,411.17, 1,980,751.01 and 455,733.54 is: 683,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,411.17 : 1,980,751.01 = 455,733.54 : x
  2. Step 2: Convert to fraction form
    1,320,411.17/1,980,751.01 = 455,733.54/x
  3. Step 3: Cross multiply
    1,320,411.17x = 1,980,751.01 × 455,733.54
  4. Step 4: Simplify right side
    1,320,411.17x = 902,694,669,645.88
  5. Step 5: Solve for x
    x = 902,694,669,645.88/1,320,411.17
  6. Step 6: Final answer
    x = 683,646.65

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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.