Home / 1,699,328.30-2,548,999.13-688,469.36

Finding the Fourth Proportional to 1,699,328.30, 2,548,999.13 and 688,469.36

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Solution

The fourth proportional to 1,699,328.30, 2,548,999.13 and 688,469.36 is: 1,032,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,328.30 : 2,548,999.13 = 688,469.36 : x
  2. Step 2: Convert to fraction form
    1,699,328.30/2,548,999.13 = 688,469.36/x
  3. Step 3: Cross multiply
    1,699,328.30x = 2,548,999.13 × 688,469.36
  4. Step 4: Simplify right side
    1,699,328.30x = 1,754,907,783,484.31
  5. Step 5: Solve for x
    x = 1,754,907,783,484.31/1,699,328.30
  6. Step 6: Final answer
    x = 1,032,706.74

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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.