Home / 1,687,708.24-2,329,040.16-923,810.20

Finding the Fourth Proportional to 1,687,708.24, 2,329,040.16 and 923,810.20

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Solution

The fourth proportional to 1,687,708.24, 2,329,040.16 and 923,810.20 is: 1,274,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,708.24 : 2,329,040.16 = 923,810.20 : x
  2. Step 2: Convert to fraction form
    1,687,708.24/2,329,040.16 = 923,810.20/x
  3. Step 3: Cross multiply
    1,687,708.24x = 2,329,040.16 × 923,810.20
  4. Step 4: Simplify right side
    1,687,708.24x = 2,151,591,056,017.63
  5. Step 5: Solve for x
    x = 2,151,591,056,017.63/1,687,708.24
  6. Step 6: Final answer
    x = 1,274,859.60

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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.