Home / 1,615,459.19-2,228,942.14-917,584.65

Finding the Fourth Proportional to 1,615,459.19, 2,228,942.14 and 917,584.65

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Solution

The fourth proportional to 1,615,459.19, 2,228,942.14 and 917,584.65 is: 1,266,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,459.19 : 2,228,942.14 = 917,584.65 : x
  2. Step 2: Convert to fraction form
    1,615,459.19/2,228,942.14 = 917,584.65/x
  3. Step 3: Cross multiply
    1,615,459.19x = 2,228,942.14 × 917,584.65
  4. Step 4: Simplify right side
    1,615,459.19x = 2,045,243,091,108.19
  5. Step 5: Solve for x
    x = 2,045,243,091,108.19/1,615,459.19
  6. Step 6: Final answer
    x = 1,266,044.42

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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.