Home / 1,136,427.72-1,703,443.26-378,066.60

Finding the Fourth Proportional to 1,136,427.72, 1,703,443.26 and 378,066.60

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Solution

The fourth proportional to 1,136,427.72, 1,703,443.26 and 378,066.60 is: 566,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,427.72 : 1,703,443.26 = 378,066.60 : x
  2. Step 2: Convert to fraction form
    1,136,427.72/1,703,443.26 = 378,066.60/x
  3. Step 3: Cross multiply
    1,136,427.72x = 1,703,443.26 × 378,066.60
  4. Step 4: Simplify right side
    1,136,427.72x = 644,015,001,601.12
  5. Step 5: Solve for x
    x = 644,015,001,601.12/1,136,427.72
  6. Step 6: Final answer
    x = 566,701.24

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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.