Home / 1,550,813.44-2,139,861.72-862,395.04

Finding the Fourth Proportional to 1,550,813.44, 2,139,861.72 and 862,395.04

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Solution

The fourth proportional to 1,550,813.44, 2,139,861.72 and 862,395.04 is: 1,189,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,813.44 : 2,139,861.72 = 862,395.04 : x
  2. Step 2: Convert to fraction form
    1,550,813.44/2,139,861.72 = 862,395.04/x
  3. Step 3: Cross multiply
    1,550,813.44x = 2,139,861.72 × 862,395.04
  4. Step 4: Simplify right side
    1,550,813.44x = 1,845,406,133,613.87
  5. Step 5: Solve for x
    x = 1,845,406,133,613.87/1,550,813.44
  6. Step 6: Final answer
    x = 1,189,960.11

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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.