Home / 1,553,121.30-2,143,303.02-874,057.80

Finding the Fourth Proportional to 1,553,121.30, 2,143,303.02 and 874,057.80

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Solution

The fourth proportional to 1,553,121.30, 2,143,303.02 and 874,057.80 is: 1,206,197.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,121.30 : 2,143,303.02 = 874,057.80 : x
  2. Step 2: Convert to fraction form
    1,553,121.30/2,143,303.02 = 874,057.80/x
  3. Step 3: Cross multiply
    1,553,121.30x = 2,143,303.02 × 874,057.80
  4. Step 4: Simplify right side
    1,553,121.30x = 1,873,370,722,394.56
  5. Step 5: Solve for x
    x = 1,873,370,722,394.56/1,553,121.30
  6. Step 6: Final answer
    x = 1,206,197.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.