Home / 1,109,940.68-1,531,718.12-600,643.04

Finding the Fourth Proportional to 1,109,940.68, 1,531,718.12 and 600,643.04

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Solution

The fourth proportional to 1,109,940.68, 1,531,718.12 and 600,643.04 is: 828,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,940.68 : 1,531,718.12 = 600,643.04 : x
  2. Step 2: Convert to fraction form
    1,109,940.68/1,531,718.12 = 600,643.04/x
  3. Step 3: Cross multiply
    1,109,940.68x = 1,531,718.12 × 600,643.04
  4. Step 4: Simplify right side
    1,109,940.68x = 920,015,828,019.89
  5. Step 5: Solve for x
    x = 920,015,828,019.89/1,109,940.68
  6. Step 6: Final answer
    x = 828,887.39

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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.