Home / 1,605,336.32-2,215,406.40-907,561.60

Finding the Fourth Proportional to 1,605,336.32, 2,215,406.40 and 907,561.60

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Solution

The fourth proportional to 1,605,336.32, 2,215,406.40 and 907,561.60 is: 1,252,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,336.32 : 2,215,406.40 = 907,561.60 : x
  2. Step 2: Convert to fraction form
    1,605,336.32/2,215,406.40 = 907,561.60/x
  3. Step 3: Cross multiply
    1,605,336.32x = 2,215,406.40 × 907,561.60
  4. Step 4: Simplify right side
    1,605,336.32x = 2,010,617,777,034.24
  5. Step 5: Solve for x
    x = 2,010,617,777,034.24/1,605,336.32
  6. Step 6: Final answer
    x = 1,252,458.91

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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.