Home / 1,388,717.77-2,081,184.90-849,163

Finding the Fourth Proportional to 1,388,717.77, 2,081,184.90 and 849,163

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Solution

The fourth proportional to 1,388,717.77, 2,081,184.90 and 849,163 is: 1,272,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,717.77 : 2,081,184.90 = 849,163 : x
  2. Step 2: Convert to fraction form
    1,388,717.77/2,081,184.90 = 849,163/x
  3. Step 3: Cross multiply
    1,388,717.77x = 2,081,184.90 × 849,163
  4. Step 4: Simplify right side
    1,388,717.77x = 1,767,265,213,238.70
  5. Step 5: Solve for x
    x = 1,767,265,213,238.70/1,388,717.77
  6. Step 6: Final answer
    x = 1,272,587.74

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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.