Home / 1,293,036.30-1,784,407.59-720,090.90

Finding the Fourth Proportional to 1,293,036.30, 1,784,407.59 and 720,090.90

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Solution

The fourth proportional to 1,293,036.30, 1,784,407.59 and 720,090.90 is: 993,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,036.30 : 1,784,407.59 = 720,090.90 : x
  2. Step 2: Convert to fraction form
    1,293,036.30/1,784,407.59 = 720,090.90/x
  3. Step 3: Cross multiply
    1,293,036.30x = 1,784,407.59 × 720,090.90
  4. Step 4: Simplify right side
    1,293,036.30x = 1,284,935,667,449.93
  5. Step 5: Solve for x
    x = 1,284,935,667,449.93/1,293,036.30
  6. Step 6: Final answer
    x = 993,735.19

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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.