Home / 1,160,005.62-1,739,445.89-680,390.15

Finding the Fourth Proportional to 1,160,005.62, 1,739,445.89 and 680,390.15

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Solution

The fourth proportional to 1,160,005.62, 1,739,445.89 and 680,390.15 is: 1,020,255.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,005.62 : 1,739,445.89 = 680,390.15 : x
  2. Step 2: Convert to fraction form
    1,160,005.62/1,739,445.89 = 680,390.15/x
  3. Step 3: Cross multiply
    1,160,005.62x = 1,739,445.89 × 680,390.15
  4. Step 4: Simplify right side
    1,160,005.62x = 1,183,501,837,914.80
  5. Step 5: Solve for x
    x = 1,183,501,837,914.80/1,160,005.62
  6. Step 6: Final answer
    x = 1,020,255.26

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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.