Home / 879,144.87-1,317,748.53-575,173.74

Finding the Fourth Proportional to 879,144.87, 1,317,748.53 and 575,173.74

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Solution

The fourth proportional to 879,144.87, 1,317,748.53 and 575,173.74 is: 862,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,144.87 : 1,317,748.53 = 575,173.74 : x
  2. Step 2: Convert to fraction form
    879,144.87/1,317,748.53 = 575,173.74/x
  3. Step 3: Cross multiply
    879,144.87x = 1,317,748.53 × 575,173.74
  4. Step 4: Simplify right side
    879,144.87x = 757,934,350,379.60
  5. Step 5: Solve for x
    x = 757,934,350,379.60/879,144.87
  6. Step 6: Final answer
    x = 862,126.80

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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.