Home / 1,250,665.31-1,878,508.46-746,210.68

Finding the Fourth Proportional to 1,250,665.31, 1,878,508.46 and 746,210.68

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Solution

The fourth proportional to 1,250,665.31, 1,878,508.46 and 746,210.68 is: 1,120,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,665.31 : 1,878,508.46 = 746,210.68 : x
  2. Step 2: Convert to fraction form
    1,250,665.31/1,878,508.46 = 746,210.68/x
  3. Step 3: Cross multiply
    1,250,665.31x = 1,878,508.46 × 746,210.68
  4. Step 4: Simplify right side
    1,250,665.31x = 1,401,763,072,491.61
  5. Step 5: Solve for x
    x = 1,401,763,072,491.61/1,250,665.31
  6. Step 6: Final answer
    x = 1,120,813.90

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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.