Home / 1,109,940.68-1,531,718.14-600,643.06

Finding the Fourth Proportional to 1,109,940.68, 1,531,718.14 and 600,643.06

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Solution

The fourth proportional to 1,109,940.68, 1,531,718.14 and 600,643.06 is: 828,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,940.68 : 1,531,718.14 = 600,643.06 : x
  2. Step 2: Convert to fraction form
    1,109,940.68/1,531,718.14 = 600,643.06/x
  3. Step 3: Cross multiply
    1,109,940.68x = 1,531,718.14 × 600,643.06
  4. Step 4: Simplify right side
    1,109,940.68x = 920,015,870,667.11
  5. Step 5: Solve for x
    x = 920,015,870,667.11/1,109,940.68
  6. Step 6: Final answer
    x = 828,887.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.