Home / 1,138,371.81-1,703,596.47-705,887.11

Finding the Fourth Proportional to 1,138,371.81, 1,703,596.47 and 705,887.11

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Solution

The fourth proportional to 1,138,371.81, 1,703,596.47 and 705,887.11 is: 1,056,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,371.81 : 1,703,596.47 = 705,887.11 : x
  2. Step 2: Convert to fraction form
    1,138,371.81/1,703,596.47 = 705,887.11/x
  3. Step 3: Cross multiply
    1,138,371.81x = 1,703,596.47 × 705,887.11
  4. Step 4: Simplify right side
    1,138,371.81x = 1,202,546,788,814.50
  5. Step 5: Solve for x
    x = 1,202,546,788,814.50/1,138,371.81
  6. Step 6: Final answer
    x = 1,056,374.36

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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.