Home / 1,288,339.56-1,932,025.50-446,688.36

Finding the Fourth Proportional to 1,288,339.56, 1,932,025.50 and 446,688.36

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Solution

The fourth proportional to 1,288,339.56, 1,932,025.50 and 446,688.36 is: 669,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,339.56 : 1,932,025.50 = 446,688.36 : x
  2. Step 2: Convert to fraction form
    1,288,339.56/1,932,025.50 = 446,688.36/x
  3. Step 3: Cross multiply
    1,288,339.56x = 1,932,025.50 × 446,688.36
  4. Step 4: Simplify right side
    1,288,339.56x = 863,013,302,073.18
  5. Step 5: Solve for x
    x = 863,013,302,073.18/1,288,339.56
  6. Step 6: Final answer
    x = 669,864.78

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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.