Home / 1,672,821.80-2,509,328.86-474,650.36

Finding the Fourth Proportional to 1,672,821.80, 2,509,328.86 and 474,650.36

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Solution

The fourth proportional to 1,672,821.80, 2,509,328.86 and 474,650.36 is: 712,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,821.80 : 2,509,328.86 = 474,650.36 : x
  2. Step 2: Convert to fraction form
    1,672,821.80/2,509,328.86 = 474,650.36/x
  3. Step 3: Cross multiply
    1,672,821.80x = 2,509,328.86 × 474,650.36
  4. Step 4: Simplify right side
    1,672,821.80x = 1,191,053,846,757.39
  5. Step 5: Solve for x
    x = 1,191,053,846,757.39/1,672,821.80
  6. Step 6: Final answer
    x = 712,002.82

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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.