Home / 1,021,150.19-1,531,891.54-301,564.72

Finding the Fourth Proportional to 1,021,150.19, 1,531,891.54 and 301,564.72

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Solution

The fourth proportional to 1,021,150.19, 1,531,891.54 and 301,564.72 is: 452,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,150.19 : 1,531,891.54 = 301,564.72 : x
  2. Step 2: Convert to fraction form
    1,021,150.19/1,531,891.54 = 301,564.72/x
  3. Step 3: Cross multiply
    1,021,150.19x = 1,531,891.54 × 301,564.72
  4. Step 4: Simplify right side
    1,021,150.19x = 461,964,445,622.29
  5. Step 5: Solve for x
    x = 461,964,445,622.29/1,021,150.19
  6. Step 6: Final answer
    x = 452,396.18

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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.