Home / 1,253,163.15-1,729,068.66-709,298.87

Finding the Fourth Proportional to 1,253,163.15, 1,729,068.66 and 709,298.87

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Solution

The fourth proportional to 1,253,163.15, 1,729,068.66 and 709,298.87 is: 978,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,163.15 : 1,729,068.66 = 709,298.87 : x
  2. Step 2: Convert to fraction form
    1,253,163.15/1,729,068.66 = 709,298.87/x
  3. Step 3: Cross multiply
    1,253,163.15x = 1,729,068.66 × 709,298.87
  4. Step 4: Simplify right side
    1,253,163.15x = 1,226,426,438,045.07
  5. Step 5: Solve for x
    x = 1,226,426,438,045.07/1,253,163.15
  6. Step 6: Final answer
    x = 978,664.62

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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.