Home / 911,349.60-1,367,024.40-858,861.60

Finding the Fourth Proportional to 911,349.60, 1,367,024.40 and 858,861.60

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Solution

The fourth proportional to 911,349.60, 1,367,024.40 and 858,861.60 is: 1,288,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,349.60 : 1,367,024.40 = 858,861.60 : x
  2. Step 2: Convert to fraction form
    911,349.60/1,367,024.40 = 858,861.60/x
  3. Step 3: Cross multiply
    911,349.60x = 1,367,024.40 × 858,861.60
  4. Step 4: Simplify right side
    911,349.60x = 1,174,084,763,423.04
  5. Step 5: Solve for x
    x = 1,174,084,763,423.04/911,349.60
  6. Step 6: Final answer
    x = 1,288,292.40

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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.