Home / 1,157,274.88-1,735,279.52-918,919.89

Finding the Fourth Proportional to 1,157,274.88, 1,735,279.52 and 918,919.89

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Solution

The fourth proportional to 1,157,274.88, 1,735,279.52 and 918,919.89 is: 1,377,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,274.88 : 1,735,279.52 = 918,919.89 : x
  2. Step 2: Convert to fraction form
    1,157,274.88/1,735,279.52 = 918,919.89/x
  3. Step 3: Cross multiply
    1,157,274.88x = 1,735,279.52 × 918,919.89
  4. Step 4: Simplify right side
    1,157,274.88x = 1,594,582,861,043.05
  5. Step 5: Solve for x
    x = 1,594,582,861,043.05/1,157,274.88
  6. Step 6: Final answer
    x = 1,377,877.37

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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.