Home / 1,293,444.30-1,940,166.45-978,516.30

Finding the Fourth Proportional to 1,293,444.30, 1,940,166.45 and 978,516.30

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Solution

The fourth proportional to 1,293,444.30, 1,940,166.45 and 978,516.30 is: 1,467,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,444.30 : 1,940,166.45 = 978,516.30 : x
  2. Step 2: Convert to fraction form
    1,293,444.30/1,940,166.45 = 978,516.30/x
  3. Step 3: Cross multiply
    1,293,444.30x = 1,940,166.45 × 978,516.30
  4. Step 4: Simplify right side
    1,293,444.30x = 1,898,484,496,038.14
  5. Step 5: Solve for x
    x = 1,898,484,496,038.14/1,293,444.30
  6. Step 6: Final answer
    x = 1,467,774.45

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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.