Home / 1,430,314.60-2,145,469.78-365,356.94

Finding the Fourth Proportional to 1,430,314.60, 2,145,469.78 and 365,356.94

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Solution

The fourth proportional to 1,430,314.60, 2,145,469.78 and 365,356.94 is: 548,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,314.60 : 2,145,469.78 = 365,356.94 : x
  2. Step 2: Convert to fraction form
    1,430,314.60/2,145,469.78 = 365,356.94/x
  3. Step 3: Cross multiply
    1,430,314.60x = 2,145,469.78 × 365,356.94
  4. Step 4: Simplify right side
    1,430,314.60x = 783,862,273,683.27
  5. Step 5: Solve for x
    x = 783,862,273,683.27/1,430,314.60
  6. Step 6: Final answer
    x = 548,034.87

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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.