Home / 1,284,631.20-1,772,470.80-740,933.28

Finding the Fourth Proportional to 1,284,631.20, 1,772,470.80 and 740,933.28

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Solution

The fourth proportional to 1,284,631.20, 1,772,470.80 and 740,933.28 is: 1,022,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,631.20 : 1,772,470.80 = 740,933.28 : x
  2. Step 2: Convert to fraction form
    1,284,631.20/1,772,470.80 = 740,933.28/x
  3. Step 3: Cross multiply
    1,284,631.20x = 1,772,470.80 × 740,933.28
  4. Step 4: Simplify right side
    1,284,631.20x = 1,313,282,603,548.22
  5. Step 5: Solve for x
    x = 1,313,282,603,548.22/1,284,631.20
  6. Step 6: Final answer
    x = 1,022,303.21

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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.