Home / 1,356,444.80-2,034,991.20-409,824.80

Finding the Fourth Proportional to 1,356,444.80, 2,034,991.20 and 409,824.80

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Solution

The fourth proportional to 1,356,444.80, 2,034,991.20 and 409,824.80 is: 614,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,444.80 : 2,034,991.20 = 409,824.80 : x
  2. Step 2: Convert to fraction form
    1,356,444.80/2,034,991.20 = 409,824.80/x
  3. Step 3: Cross multiply
    1,356,444.80x = 2,034,991.20 × 409,824.80
  4. Step 4: Simplify right side
    1,356,444.80x = 833,989,861,541.76
  5. Step 5: Solve for x
    x = 833,989,861,541.76/1,356,444.80
  6. Step 6: Final answer
    x = 614,835.09

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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.