Home / 1,553,120.80-2,143,302.33-874,057.30

Finding the Fourth Proportional to 1,553,120.80, 2,143,302.33 and 874,057.30

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Solution

The fourth proportional to 1,553,120.80, 2,143,302.33 and 874,057.30 is: 1,206,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,120.80 : 2,143,302.33 = 874,057.30 : x
  2. Step 2: Convert to fraction form
    1,553,120.80/2,143,302.33 = 874,057.30/x
  3. Step 3: Cross multiply
    1,553,120.80x = 2,143,302.33 × 874,057.30
  4. Step 4: Simplify right side
    1,553,120.80x = 1,873,369,047,643.51
  5. Step 5: Solve for x
    x = 1,873,369,047,643.51/1,553,120.80
  6. Step 6: Final answer
    x = 1,206,196.61

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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.