Home / 1,143,311.28-1,714,716.63-468,728.70

Finding the Fourth Proportional to 1,143,311.28, 1,714,716.63 and 468,728.70

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Solution

The fourth proportional to 1,143,311.28, 1,714,716.63 and 468,728.70 is: 702,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,311.28 : 1,714,716.63 = 468,728.70 : x
  2. Step 2: Convert to fraction form
    1,143,311.28/1,714,716.63 = 468,728.70/x
  3. Step 3: Cross multiply
    1,143,311.28x = 1,714,716.63 × 468,728.70
  4. Step 4: Simplify right side
    1,143,311.28x = 803,736,896,848.28
  5. Step 5: Solve for x
    x = 803,736,896,848.28/1,143,311.28
  6. Step 6: Final answer
    x = 702,990.44

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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.