Home / 1,051,288.08-1,450,270.20-688,552.32

Finding the Fourth Proportional to 1,051,288.08, 1,450,270.20 and 688,552.32

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Solution

The fourth proportional to 1,051,288.08, 1,450,270.20 and 688,552.32 is: 949,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,288.08 : 1,450,270.20 = 688,552.32 : x
  2. Step 2: Convert to fraction form
    1,051,288.08/1,450,270.20 = 688,552.32/x
  3. Step 3: Cross multiply
    1,051,288.08x = 1,450,270.20 × 688,552.32
  4. Step 4: Simplify right side
    1,051,288.08x = 998,586,910,836.86
  5. Step 5: Solve for x
    x = 998,586,910,836.86/1,051,288.08
  6. Step 6: Final answer
    x = 949,869.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.