Home / 1,615,731.14-2,229,723.82-890,606.68

Finding the Fourth Proportional to 1,615,731.14, 2,229,723.82 and 890,606.68

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Solution

The fourth proportional to 1,615,731.14, 2,229,723.82 and 890,606.68 is: 1,229,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,731.14 : 2,229,723.82 = 890,606.68 : x
  2. Step 2: Convert to fraction form
    1,615,731.14/2,229,723.82 = 890,606.68/x
  3. Step 3: Cross multiply
    1,615,731.14x = 2,229,723.82 × 890,606.68
  4. Step 4: Simplify right side
    1,615,731.14x = 1,985,806,928,647.12
  5. Step 5: Solve for x
    x = 1,985,806,928,647.12/1,615,731.14
  6. Step 6: Final answer
    x = 1,229,045.40

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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.