Home / 1,002,212.70-1,501,569.45-862,244.70

Finding the Fourth Proportional to 1,002,212.70, 1,501,569.45 and 862,244.70

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Solution

The fourth proportional to 1,002,212.70, 1,501,569.45 and 862,244.70 is: 1,291,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,212.70 : 1,501,569.45 = 862,244.70 : x
  2. Step 2: Convert to fraction form
    1,002,212.70/1,501,569.45 = 862,244.70/x
  3. Step 3: Cross multiply
    1,002,212.70x = 1,501,569.45 × 862,244.70
  4. Step 4: Simplify right side
    1,002,212.70x = 1,294,720,299,944.41
  5. Step 5: Solve for x
    x = 1,294,720,299,944.41/1,002,212.70
  6. Step 6: Final answer
    x = 1,291,861.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.