Home / 1,351,440.74-1,865,004.81-747,884.90

Finding the Fourth Proportional to 1,351,440.74, 1,865,004.81 and 747,884.90

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Solution

The fourth proportional to 1,351,440.74, 1,865,004.81 and 747,884.90 is: 1,032,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,440.74 : 1,865,004.81 = 747,884.90 : x
  2. Step 2: Convert to fraction form
    1,351,440.74/1,865,004.81 = 747,884.90/x
  3. Step 3: Cross multiply
    1,351,440.74x = 1,865,004.81 × 747,884.90
  4. Step 4: Simplify right side
    1,351,440.74x = 1,394,808,935,826.37
  5. Step 5: Solve for x
    x = 1,394,808,935,826.37/1,351,440.74
  6. Step 6: Final answer
    x = 1,032,090.34

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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.