Home / 1,028,250.03-1,541,368.30-429,382.45

Finding the Fourth Proportional to 1,028,250.03, 1,541,368.30 and 429,382.45

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Solution

The fourth proportional to 1,028,250.03, 1,541,368.30 and 429,382.45 is: 643,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,250.03 : 1,541,368.30 = 429,382.45 : x
  2. Step 2: Convert to fraction form
    1,028,250.03/1,541,368.30 = 429,382.45/x
  3. Step 3: Cross multiply
    1,028,250.03x = 1,541,368.30 × 429,382.45
  4. Step 4: Simplify right side
    1,028,250.03x = 661,836,497,006.34
  5. Step 5: Solve for x
    x = 661,836,497,006.34/1,028,250.03
  6. Step 6: Final answer
    x = 643,653.27

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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.