Home / 1,175,978.42-1,623,545.90-740,768.84

Finding the Fourth Proportional to 1,175,978.42, 1,623,545.90 and 740,768.84

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Solution

The fourth proportional to 1,175,978.42, 1,623,545.90 and 740,768.84 is: 1,022,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,978.42 : 1,623,545.90 = 740,768.84 : x
  2. Step 2: Convert to fraction form
    1,175,978.42/1,623,545.90 = 740,768.84/x
  3. Step 3: Cross multiply
    1,175,978.42x = 1,623,545.90 × 740,768.84
  4. Step 4: Simplify right side
    1,175,978.42x = 1,202,672,201,208.18
  5. Step 5: Solve for x
    x = 1,202,672,201,208.18/1,175,978.42
  6. Step 6: Final answer
    x = 1,022,699.21

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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.