Home / 1,379,389.48-2,069,278.35-480,702.04

Finding the Fourth Proportional to 1,379,389.48, 2,069,278.35 and 480,702.04

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Solution

The fourth proportional to 1,379,389.48, 2,069,278.35 and 480,702.04 is: 721,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,389.48 : 2,069,278.35 = 480,702.04 : x
  2. Step 2: Convert to fraction form
    1,379,389.48/2,069,278.35 = 480,702.04/x
  3. Step 3: Cross multiply
    1,379,389.48x = 2,069,278.35 × 480,702.04
  4. Step 4: Simplify right side
    1,379,389.48x = 994,706,324,172.83
  5. Step 5: Solve for x
    x = 994,706,324,172.83/1,379,389.48
  6. Step 6: Final answer
    x = 721,120.71

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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.