Home / 1,021,365.20-1,410,087.52-907,859.84

Finding the Fourth Proportional to 1,021,365.20, 1,410,087.52 and 907,859.84

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Solution

The fourth proportional to 1,021,365.20, 1,410,087.52 and 907,859.84 is: 1,253,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,365.20 : 1,410,087.52 = 907,859.84 : x
  2. Step 2: Convert to fraction form
    1,021,365.20/1,410,087.52 = 907,859.84/x
  3. Step 3: Cross multiply
    1,021,365.20x = 1,410,087.52 × 907,859.84
  4. Step 4: Simplify right side
    1,021,365.20x = 1,280,161,830,293.20
  5. Step 5: Solve for x
    x = 1,280,161,830,293.20/1,021,365.20
  6. Step 6: Final answer
    x = 1,253,383.05

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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.