Home / 1,510,245.64-2,084,153.70-831,197.80

Finding the Fourth Proportional to 1,510,245.64, 2,084,153.70 and 831,197.80

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Solution

The fourth proportional to 1,510,245.64, 2,084,153.70 and 831,197.80 is: 1,147,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,245.64 : 2,084,153.70 = 831,197.80 : x
  2. Step 2: Convert to fraction form
    1,510,245.64/2,084,153.70 = 831,197.80/x
  3. Step 3: Cross multiply
    1,510,245.64x = 2,084,153.70 × 831,197.80
  4. Step 4: Simplify right side
    1,510,245.64x = 1,732,343,970,301.86
  5. Step 5: Solve for x
    x = 1,732,343,970,301.86/1,510,245.64
  6. Step 6: Final answer
    x = 1,147,061.06

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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.