Home / 1,413,707.64-2,120,979.42-815,098.20

Finding the Fourth Proportional to 1,413,707.64, 2,120,979.42 and 815,098.20

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Solution

The fourth proportional to 1,413,707.64, 2,120,979.42 and 815,098.20 is: 1,222,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,707.64 : 2,120,979.42 = 815,098.20 : x
  2. Step 2: Convert to fraction form
    1,413,707.64/2,120,979.42 = 815,098.20/x
  3. Step 3: Cross multiply
    1,413,707.64x = 2,120,979.42 × 815,098.20
  4. Step 4: Simplify right side
    1,413,707.64x = 1,728,806,507,479.04
  5. Step 5: Solve for x
    x = 1,728,806,507,479.04/1,413,707.64
  6. Step 6: Final answer
    x = 1,222,888.28

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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.