Home / 1,551,770.39-2,141,122.21-907,065.88

Finding the Fourth Proportional to 1,551,770.39, 2,141,122.21 and 907,065.88

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Solution

The fourth proportional to 1,551,770.39, 2,141,122.21 and 907,065.88 is: 1,251,563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,770.39 : 2,141,122.21 = 907,065.88 : x
  2. Step 2: Convert to fraction form
    1,551,770.39/2,141,122.21 = 907,065.88/x
  3. Step 3: Cross multiply
    1,551,770.39x = 2,141,122.21 × 907,065.88
  4. Step 4: Simplify right side
    1,551,770.39x = 1,942,138,893,980.72
  5. Step 5: Solve for x
    x = 1,942,138,893,980.72/1,551,770.39
  6. Step 6: Final answer
    x = 1,251,563.31

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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.