Home / 1,225,445.72-1,690,996.62-709,096.62

Finding the Fourth Proportional to 1,225,445.72, 1,690,996.62 and 709,096.62

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Solution

The fourth proportional to 1,225,445.72, 1,690,996.62 and 709,096.62 is: 978,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,445.72 : 1,690,996.62 = 709,096.62 : x
  2. Step 2: Convert to fraction form
    1,225,445.72/1,690,996.62 = 709,096.62/x
  3. Step 3: Cross multiply
    1,225,445.72x = 1,690,996.62 × 709,096.62
  4. Step 4: Simplify right side
    1,225,445.72x = 1,199,079,980,991.18
  5. Step 5: Solve for x
    x = 1,199,079,980,991.18/1,225,445.72
  6. Step 6: Final answer
    x = 978,484.78

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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.