Home / 1,683,631.80-2,525,821.65-485,460.90

Finding the Fourth Proportional to 1,683,631.80, 2,525,821.65 and 485,460.90

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Solution

The fourth proportional to 1,683,631.80, 2,525,821.65 and 485,460.90 is: 728,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,631.80 : 2,525,821.65 = 485,460.90 : x
  2. Step 2: Convert to fraction form
    1,683,631.80/2,525,821.65 = 485,460.90/x
  3. Step 3: Cross multiply
    1,683,631.80x = 2,525,821.65 × 485,460.90
  4. Step 4: Simplify right side
    1,683,631.80x = 1,226,187,651,448.49
  5. Step 5: Solve for x
    x = 1,226,187,651,448.49/1,683,631.80
  6. Step 6: Final answer
    x = 728,299.18

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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.