Home / 1,090,228.40-1,633,009.80-972,033.20

Finding the Fourth Proportional to 1,090,228.40, 1,633,009.80 and 972,033.20

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Solution

The fourth proportional to 1,090,228.40, 1,633,009.80 and 972,033.20 is: 1,455,969.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,228.40 : 1,633,009.80 = 972,033.20 : x
  2. Step 2: Convert to fraction form
    1,090,228.40/1,633,009.80 = 972,033.20/x
  3. Step 3: Cross multiply
    1,090,228.40x = 1,633,009.80 × 972,033.20
  4. Step 4: Simplify right side
    1,090,228.40x = 1,587,339,741,525.36
  5. Step 5: Solve for x
    x = 1,587,339,741,525.36/1,090,228.40
  6. Step 6: Final answer
    x = 1,455,969.91

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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.