Home / 1,310,698.16-1,808,648.24-729,877.43

Finding the Fourth Proportional to 1,310,698.16, 1,808,648.24 and 729,877.43

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Solution

The fourth proportional to 1,310,698.16, 1,808,648.24 and 729,877.43 is: 1,007,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,698.16 : 1,808,648.24 = 729,877.43 : x
  2. Step 2: Convert to fraction form
    1,310,698.16/1,808,648.24 = 729,877.43/x
  3. Step 3: Cross multiply
    1,310,698.16x = 1,808,648.24 × 729,877.43
  4. Step 4: Simplify right side
    1,310,698.16x = 1,320,091,534,163.02
  5. Step 5: Solve for x
    x = 1,320,091,534,163.02/1,310,698.16
  6. Step 6: Final answer
    x = 1,007,166.70

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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.