Home / 1,510,956.30-2,085,115.80-831,892.80

Finding the Fourth Proportional to 1,510,956.30, 2,085,115.80 and 831,892.80

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Solution

The fourth proportional to 1,510,956.30, 2,085,115.80 and 831,892.80 is: 1,148,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,956.30 : 2,085,115.80 = 831,892.80 : x
  2. Step 2: Convert to fraction form
    1,510,956.30/2,085,115.80 = 831,892.80/x
  3. Step 3: Cross multiply
    1,510,956.30x = 2,085,115.80 × 831,892.80
  4. Step 4: Simplify right side
    1,510,956.30x = 1,734,592,821,186.24
  5. Step 5: Solve for x
    x = 1,734,592,821,186.24/1,510,956.30
  6. Step 6: Final answer
    x = 1,148,009.92

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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.