Home / 1,136,647.96-1,569,164.62-830,380.48

Finding the Fourth Proportional to 1,136,647.96, 1,569,164.62 and 830,380.48

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Solution

The fourth proportional to 1,136,647.96, 1,569,164.62 and 830,380.48 is: 1,146,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,647.96 : 1,569,164.62 = 830,380.48 : x
  2. Step 2: Convert to fraction form
    1,136,647.96/1,569,164.62 = 830,380.48/x
  3. Step 3: Cross multiply
    1,136,647.96x = 1,569,164.62 × 830,380.48
  4. Step 4: Simplify right side
    1,136,647.96x = 1,303,003,670,354.62
  5. Step 5: Solve for x
    x = 1,303,003,670,354.62/1,136,647.96
  6. Step 6: Final answer
    x = 1,146,356.41

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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.