Home / 1,243,491.66-1,866,022.38-712,050.66

Finding the Fourth Proportional to 1,243,491.66, 1,866,022.38 and 712,050.66

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Solution

The fourth proportional to 1,243,491.66, 1,866,022.38 and 712,050.66 is: 1,068,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,491.66 : 1,866,022.38 = 712,050.66 : x
  2. Step 2: Convert to fraction form
    1,243,491.66/1,866,022.38 = 712,050.66/x
  3. Step 3: Cross multiply
    1,243,491.66x = 1,866,022.38 × 712,050.66
  4. Step 4: Simplify right side
    1,243,491.66x = 1,328,702,467,253.77
  5. Step 5: Solve for x
    x = 1,328,702,467,253.77/1,243,491.66
  6. Step 6: Final answer
    x = 1,068,525.44

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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.