Home / 1,396,387.80-2,092,613.40-862,322.40

Finding the Fourth Proportional to 1,396,387.80, 2,092,613.40 and 862,322.40

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Solution

The fourth proportional to 1,396,387.80, 2,092,613.40 and 862,322.40 is: 1,292,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,387.80 : 2,092,613.40 = 862,322.40 : x
  2. Step 2: Convert to fraction form
    1,396,387.80/2,092,613.40 = 862,322.40/x
  3. Step 3: Cross multiply
    1,396,387.80x = 2,092,613.40 × 862,322.40
  4. Step 4: Simplify right side
    1,396,387.80x = 1,804,507,409,360.16
  5. Step 5: Solve for x
    x = 1,804,507,409,360.16/1,396,387.80
  6. Step 6: Final answer
    x = 1,292,268.10

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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.