Home / 1,336,762.90-2,005,144.35-978,040.23

Finding the Fourth Proportional to 1,336,762.90, 2,005,144.35 and 978,040.23

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Solution

The fourth proportional to 1,336,762.90, 2,005,144.35 and 978,040.23 is: 1,467,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,762.90 : 2,005,144.35 = 978,040.23 : x
  2. Step 2: Convert to fraction form
    1,336,762.90/2,005,144.35 = 978,040.23/x
  3. Step 3: Cross multiply
    1,336,762.90x = 2,005,144.35 × 978,040.23
  4. Step 4: Simplify right side
    1,336,762.90x = 1,961,111,841,257.20
  5. Step 5: Solve for x
    x = 1,961,111,841,257.20/1,336,762.90
  6. Step 6: Final answer
    x = 1,467,060.35

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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.