Home / 1,145,697.20-1,718,108.40-346,713.20

Finding the Fourth Proportional to 1,145,697.20, 1,718,108.40 and 346,713.20

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Solution

The fourth proportional to 1,145,697.20, 1,718,108.40 and 346,713.20 is: 519,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,697.20 : 1,718,108.40 = 346,713.20 : x
  2. Step 2: Convert to fraction form
    1,145,697.20/1,718,108.40 = 346,713.20/x
  3. Step 3: Cross multiply
    1,145,697.20x = 1,718,108.40 × 346,713.20
  4. Step 4: Simplify right side
    1,145,697.20x = 595,690,861,310.88
  5. Step 5: Solve for x
    x = 595,690,861,310.88/1,145,697.20
  6. Step 6: Final answer
    x = 519,937.43

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1.5x scale

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.