Home / 1,679,857.76-2,520,831.36-682,585.76

Finding the Fourth Proportional to 1,679,857.76, 2,520,831.36 and 682,585.76

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Solution

The fourth proportional to 1,679,857.76, 2,520,831.36 and 682,585.76 is: 1,024,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,857.76 : 2,520,831.36 = 682,585.76 : x
  2. Step 2: Convert to fraction form
    1,679,857.76/2,520,831.36 = 682,585.76/x
  3. Step 3: Cross multiply
    1,679,857.76x = 2,520,831.36 × 682,585.76
  4. Step 4: Simplify right side
    1,679,857.76x = 1,720,683,589,697.43
  5. Step 5: Solve for x
    x = 1,720,683,589,697.43/1,679,857.76
  6. Step 6: Final answer
    x = 1,024,303.15

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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.