Home / 1,338,677.32-1,847,370.90-802,133.32

Finding the Fourth Proportional to 1,338,677.32, 1,847,370.90 and 802,133.32

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Solution

The fourth proportional to 1,338,677.32, 1,847,370.90 and 802,133.32 is: 1,106,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,677.32 : 1,847,370.90 = 802,133.32 : x
  2. Step 2: Convert to fraction form
    1,338,677.32/1,847,370.90 = 802,133.32/x
  3. Step 3: Cross multiply
    1,338,677.32x = 1,847,370.90 × 802,133.32
  4. Step 4: Simplify right side
    1,338,677.32x = 1,481,837,753,288.39
  5. Step 5: Solve for x
    x = 1,481,837,753,288.39/1,338,677.32
  6. Step 6: Final answer
    x = 1,106,941.70

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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.