Home / 1,142,058.78-1,713,304.24-458,998.69

Finding the Fourth Proportional to 1,142,058.78, 1,713,304.24 and 458,998.69

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Solution

The fourth proportional to 1,142,058.78, 1,713,304.24 and 458,998.69 is: 688,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,058.78 : 1,713,304.24 = 458,998.69 : x
  2. Step 2: Convert to fraction form
    1,142,058.78/1,713,304.24 = 458,998.69/x
  3. Step 3: Cross multiply
    1,142,058.78x = 1,713,304.24 × 458,998.69
  4. Step 4: Simplify right side
    1,142,058.78x = 786,404,401,731.45
  5. Step 5: Solve for x
    x = 786,404,401,731.45/1,142,058.78
  6. Step 6: Final answer
    x = 688,584.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.