Home / 1,317,674.13-1,976,889.47-549,022.20

Finding the Fourth Proportional to 1,317,674.13, 1,976,889.47 and 549,022.20

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Solution

The fourth proportional to 1,317,674.13, 1,976,889.47 and 549,022.20 is: 823,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,674.13 : 1,976,889.47 = 549,022.20 : x
  2. Step 2: Convert to fraction form
    1,317,674.13/1,976,889.47 = 549,022.20/x
  3. Step 3: Cross multiply
    1,317,674.13x = 1,976,889.47 × 549,022.20
  4. Step 4: Simplify right side
    1,317,674.13x = 1,085,356,203,231.12
  5. Step 5: Solve for x
    x = 1,085,356,203,231.12/1,317,674.13
  6. Step 6: Final answer
    x = 823,690.91

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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.