Home / 1,000,117.19-1,380,358.46-757,977.41

Finding the Fourth Proportional to 1,000,117.19, 1,380,358.46 and 757,977.41

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Solution

The fourth proportional to 1,000,117.19, 1,380,358.46 and 757,977.41 is: 1,046,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,117.19 : 1,380,358.46 = 757,977.41 : x
  2. Step 2: Convert to fraction form
    1,000,117.19/1,380,358.46 = 757,977.41/x
  3. Step 3: Cross multiply
    1,000,117.19x = 1,380,358.46 × 757,977.41
  4. Step 4: Simplify right side
    1,000,117.19x = 1,046,280,530,382.39
  5. Step 5: Solve for x
    x = 1,046,280,530,382.39/1,000,117.19
  6. Step 6: Final answer
    x = 1,046,157.93

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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.