Home / 1,128,525.06-1,557,364.47-645,100.62

Finding the Fourth Proportional to 1,128,525.06, 1,557,364.47 and 645,100.62

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Solution

The fourth proportional to 1,128,525.06, 1,557,364.47 and 645,100.62 is: 890,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,525.06 : 1,557,364.47 = 645,100.62 : x
  2. Step 2: Convert to fraction form
    1,128,525.06/1,557,364.47 = 645,100.62/x
  3. Step 3: Cross multiply
    1,128,525.06x = 1,557,364.47 × 645,100.62
  4. Step 4: Simplify right side
    1,128,525.06x = 1,004,656,785,162.97
  5. Step 5: Solve for x
    x = 1,004,656,785,162.97/1,128,525.06
  6. Step 6: Final answer
    x = 890,238.79

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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.