Home / 1,260,051.62-1,890,073.68-313,422.38

Finding the Fourth Proportional to 1,260,051.62, 1,890,073.68 and 313,422.38

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Solution

The fourth proportional to 1,260,051.62, 1,890,073.68 and 313,422.38 is: 470,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,051.62 : 1,890,073.68 = 313,422.38 : x
  2. Step 2: Convert to fraction form
    1,260,051.62/1,890,073.68 = 313,422.38/x
  3. Step 3: Cross multiply
    1,260,051.62x = 1,890,073.68 × 313,422.38
  4. Step 4: Simplify right side
    1,260,051.62x = 592,391,391,160.96
  5. Step 5: Solve for x
    x = 592,391,391,160.96/1,260,051.62
  6. Step 6: Final answer
    x = 470,132.64

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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.