Home / 1,028,028.68-1,541,211.66-429,448.28

Finding the Fourth Proportional to 1,028,028.68, 1,541,211.66 and 429,448.28

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Solution

The fourth proportional to 1,028,028.68, 1,541,211.66 and 429,448.28 is: 643,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,028.68 : 1,541,211.66 = 429,448.28 : x
  2. Step 2: Convert to fraction form
    1,028,028.68/1,541,211.66 = 429,448.28/x
  3. Step 3: Cross multiply
    1,028,028.68x = 1,541,211.66 × 429,448.28
  4. Step 4: Simplify right side
    1,028,028.68x = 661,870,696,502.95
  5. Step 5: Solve for x
    x = 661,870,696,502.95/1,028,028.68
  6. Step 6: Final answer
    x = 643,825.13

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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.