Home / 1,553,118.30-2,143,298.88-874,054.80

Finding the Fourth Proportional to 1,553,118.30, 2,143,298.88 and 874,054.80

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Solution

The fourth proportional to 1,553,118.30, 2,143,298.88 and 874,054.80 is: 1,206,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,118.30 : 2,143,298.88 = 874,054.80 : x
  2. Step 2: Convert to fraction form
    1,553,118.30/2,143,298.88 = 874,054.80/x
  3. Step 3: Cross multiply
    1,553,118.30x = 2,143,298.88 × 874,054.80
  4. Step 4: Simplify right side
    1,553,118.30x = 1,873,360,673,898.62
  5. Step 5: Solve for x
    x = 1,873,360,673,898.62/1,553,118.30
  6. Step 6: Final answer
    x = 1,206,193.16

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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.