Home / 1,237,937.43-1,857,440.66-669,718.77

Finding the Fourth Proportional to 1,237,937.43, 1,857,440.66 and 669,718.77

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Solution

The fourth proportional to 1,237,937.43, 1,857,440.66 and 669,718.77 is: 1,004,867.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,937.43 : 1,857,440.66 = 669,718.77 : x
  2. Step 2: Convert to fraction form
    1,237,937.43/1,857,440.66 = 669,718.77/x
  3. Step 3: Cross multiply
    1,237,937.43x = 1,857,440.66 × 669,718.77
  4. Step 4: Simplify right side
    1,237,937.43x = 1,243,962,870,814.59
  5. Step 5: Solve for x
    x = 1,243,962,870,814.59/1,237,937.43
  6. Step 6: Final answer
    x = 1,004,867.32

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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.