Home / 1,081,246.71-1,621,699.80-361,582.88

Finding the Fourth Proportional to 1,081,246.71, 1,621,699.80 and 361,582.88

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Solution

The fourth proportional to 1,081,246.71, 1,621,699.80 and 361,582.88 is: 542,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,246.71 : 1,621,699.80 = 361,582.88 : x
  2. Step 2: Convert to fraction form
    1,081,246.71/1,621,699.80 = 361,582.88/x
  3. Step 3: Cross multiply
    1,081,246.71x = 1,621,699.80 × 361,582.88
  4. Step 4: Simplify right side
    1,081,246.71x = 586,378,876,070.93
  5. Step 5: Solve for x
    x = 586,378,876,070.93/1,081,246.71
  6. Step 6: Final answer
    x = 542,317.37

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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.