Home / 1,262,721.68-1,902,607.28-1,043,004.72

Finding the Fourth Proportional to 1,262,721.68, 1,902,607.28 and 1,043,004.72

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Solution

The fourth proportional to 1,262,721.68, 1,902,607.28 and 1,043,004.72 is: 1,571,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,721.68 : 1,902,607.28 = 1,043,004.72 : x
  2. Step 2: Convert to fraction form
    1,262,721.68/1,902,607.28 = 1,043,004.72/x
  3. Step 3: Cross multiply
    1,262,721.68x = 1,902,607.28 × 1,043,004.72
  4. Step 4: Simplify right side
    1,262,721.68x = 1,984,428,373,346.36
  5. Step 5: Solve for x
    x = 1,984,428,373,346.36/1,262,721.68
  6. Step 6: Final answer
    x = 1,571,548.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.