Home / 1,293,064.61-1,784,301.41-720,158.09

Finding the Fourth Proportional to 1,293,064.61, 1,784,301.41 and 720,158.09

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Solution

The fourth proportional to 1,293,064.61, 1,784,301.41 and 720,158.09 is: 993,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,064.61 : 1,784,301.41 = 720,158.09 : x
  2. Step 2: Convert to fraction form
    1,293,064.61/1,784,301.41 = 720,158.09/x
  3. Step 3: Cross multiply
    1,293,064.61x = 1,784,301.41 × 720,158.09
  4. Step 4: Simplify right side
    1,293,064.61x = 1,284,979,082,887.61
  5. Step 5: Solve for x
    x = 1,284,979,082,887.61/1,293,064.61
  6. Step 6: Final answer
    x = 993,747.01

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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.