Home / 1,338,684.32-1,847,380.56-802,140.32

Finding the Fourth Proportional to 1,338,684.32, 1,847,380.56 and 802,140.32

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Solution

The fourth proportional to 1,338,684.32, 1,847,380.56 and 802,140.32 is: 1,106,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,684.32 : 1,847,380.56 = 802,140.32 : x
  2. Step 2: Convert to fraction form
    1,338,684.32/1,847,380.56 = 802,140.32/x
  3. Step 3: Cross multiply
    1,338,684.32x = 1,847,380.56 × 802,140.32
  4. Step 4: Simplify right side
    1,338,684.32x = 1,481,858,433,560.18
  5. Step 5: Solve for x
    x = 1,481,858,433,560.18/1,338,684.32
  6. Step 6: Final answer
    x = 1,106,951.36

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Double scale
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1.5x scale

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.