Home / 1,344,000.90-1,854,720.42-740,388.90

Finding the Fourth Proportional to 1,344,000.90, 1,854,720.42 and 740,388.90

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Solution

The fourth proportional to 1,344,000.90, 1,854,720.42 and 740,388.90 is: 1,021,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,000.90 : 1,854,720.42 = 740,388.90 : x
  2. Step 2: Convert to fraction form
    1,344,000.90/1,854,720.42 = 740,388.90/x
  3. Step 3: Cross multiply
    1,344,000.90x = 1,854,720.42 × 740,388.90
  4. Step 4: Simplify right side
    1,344,000.90x = 1,373,214,411,571.34
  5. Step 5: Solve for x
    x = 1,373,214,411,571.34/1,344,000.90
  6. Step 6: Final answer
    x = 1,021,736.23

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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.