Home / 1,673,042.82-2,308,813.70-909,096.36

Finding the Fourth Proportional to 1,673,042.82, 2,308,813.70 and 909,096.36

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Solution

The fourth proportional to 1,673,042.82, 2,308,813.70 and 909,096.36 is: 1,254,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,042.82 : 2,308,813.70 = 909,096.36 : x
  2. Step 2: Convert to fraction form
    1,673,042.82/2,308,813.70 = 909,096.36/x
  3. Step 3: Cross multiply
    1,673,042.82x = 2,308,813.70 × 909,096.36
  4. Step 4: Simplify right side
    1,673,042.82x = 2,098,934,130,588.13
  5. Step 5: Solve for x
    x = 2,098,934,130,588.13/1,673,042.82
  6. Step 6: Final answer
    x = 1,254,560.91

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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.