Home / 1,201,543.86-1,802,979.16-492,068.90

Finding the Fourth Proportional to 1,201,543.86, 1,802,979.16 and 492,068.90

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Solution

The fourth proportional to 1,201,543.86, 1,802,979.16 and 492,068.90 is: 738,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,543.86 : 1,802,979.16 = 492,068.90 : x
  2. Step 2: Convert to fraction form
    1,201,543.86/1,802,979.16 = 492,068.90/x
  3. Step 3: Cross multiply
    1,201,543.86x = 1,802,979.16 × 492,068.90
  4. Step 4: Simplify right side
    1,201,543.86x = 887,189,971,984.12
  5. Step 5: Solve for x
    x = 887,189,971,984.12/1,201,543.86
  6. Step 6: Final answer
    x = 738,375.02

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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.