Home / 1,379,412.55-2,069,094.67-620,717.04

Finding the Fourth Proportional to 1,379,412.55, 2,069,094.67 and 620,717.04

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Solution

The fourth proportional to 1,379,412.55, 2,069,094.67 and 620,717.04 is: 931,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,412.55 : 2,069,094.67 = 620,717.04 : x
  2. Step 2: Convert to fraction form
    1,379,412.55/2,069,094.67 = 620,717.04/x
  3. Step 3: Cross multiply
    1,379,412.55x = 2,069,094.67 × 620,717.04
  4. Step 4: Simplify right side
    1,379,412.55x = 1,284,322,319,042.18
  5. Step 5: Solve for x
    x = 1,284,322,319,042.18/1,379,412.55
  6. Step 6: Final answer
    x = 931,064.69

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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.