Home / 1,617,138.90-2,425,368.15-817,668.90

Finding the Fourth Proportional to 1,617,138.90, 2,425,368.15 and 817,668.90

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Solution

The fourth proportional to 1,617,138.90, 2,425,368.15 and 817,668.90 is: 1,226,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,138.90 : 2,425,368.15 = 817,668.90 : x
  2. Step 2: Convert to fraction form
    1,617,138.90/2,425,368.15 = 817,668.90/x
  3. Step 3: Cross multiply
    1,617,138.90x = 2,425,368.15 × 817,668.90
  4. Step 4: Simplify right side
    1,617,138.90x = 1,983,148,107,305.54
  5. Step 5: Solve for x
    x = 1,983,148,107,305.54/1,617,138.90
  6. Step 6: Final answer
    x = 1,226,331.34

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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.