Home / 1,332,007.40-1,998,011.10-762,804.20

Finding the Fourth Proportional to 1,332,007.40, 1,998,011.10 and 762,804.20

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Solution

The fourth proportional to 1,332,007.40, 1,998,011.10 and 762,804.20 is: 1,144,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,007.40 : 1,998,011.10 = 762,804.20 : x
  2. Step 2: Convert to fraction form
    1,332,007.40/1,998,011.10 = 762,804.20/x
  3. Step 3: Cross multiply
    1,332,007.40x = 1,998,011.10 × 762,804.20
  4. Step 4: Simplify right side
    1,332,007.40x = 1,524,091,258,726.62
  5. Step 5: Solve for x
    x = 1,524,091,258,726.62/1,332,007.40
  6. Step 6: Final answer
    x = 1,144,206.30

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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.