Home / 1,028,295.10-1,541,794.65-429,672.70

Finding the Fourth Proportional to 1,028,295.10, 1,541,794.65 and 429,672.70

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Solution

The fourth proportional to 1,028,295.10, 1,541,794.65 and 429,672.70 is: 644,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,295.10 : 1,541,794.65 = 429,672.70 : x
  2. Step 2: Convert to fraction form
    1,028,295.10/1,541,794.65 = 429,672.70/x
  3. Step 3: Cross multiply
    1,028,295.10x = 1,541,794.65 × 429,672.70
  4. Step 4: Simplify right side
    1,028,295.10x = 662,467,070,111.06
  5. Step 5: Solve for x
    x = 662,467,070,111.06/1,028,295.10
  6. Step 6: Final answer
    x = 644,238.28

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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.