Home / 1,615,729.17-2,229,604.86-890,536.98

Finding the Fourth Proportional to 1,615,729.17, 2,229,604.86 and 890,536.98

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Solution

The fourth proportional to 1,615,729.17, 2,229,604.86 and 890,536.98 is: 1,228,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,729.17 : 2,229,604.86 = 890,536.98 : x
  2. Step 2: Convert to fraction form
    1,615,729.17/2,229,604.86 = 890,536.98/x
  3. Step 3: Cross multiply
    1,615,729.17x = 2,229,604.86 × 890,536.98
  4. Step 4: Simplify right side
    1,615,729.17x = 1,985,545,578,617.72
  5. Step 5: Solve for x
    x = 1,985,545,578,617.72/1,615,729.17
  6. Step 6: Final answer
    x = 1,228,885.15

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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.