Home / 1,388,717.52-2,081,184.52-849,162.75

Finding the Fourth Proportional to 1,388,717.52, 2,081,184.52 and 849,162.75

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Solution

The fourth proportional to 1,388,717.52, 2,081,184.52 and 849,162.75 is: 1,272,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,717.52 : 2,081,184.52 = 849,162.75 : x
  2. Step 2: Convert to fraction form
    1,388,717.52/2,081,184.52 = 849,162.75/x
  3. Step 3: Cross multiply
    1,388,717.52x = 2,081,184.52 × 849,162.75
  4. Step 4: Simplify right side
    1,388,717.52x = 1,767,264,370,260.63
  5. Step 5: Solve for x
    x = 1,767,264,370,260.63/1,388,717.52
  6. Step 6: Final answer
    x = 1,272,587.37

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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.