Home / 993,119.72-1,370,969.70-635,631.08

Finding the Fourth Proportional to 993,119.72, 1,370,969.70 and 635,631.08

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Solution

The fourth proportional to 993,119.72, 1,370,969.70 and 635,631.08 is: 877,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,119.72 : 1,370,969.70 = 635,631.08 : x
  2. Step 2: Convert to fraction form
    993,119.72/1,370,969.70 = 635,631.08/x
  3. Step 3: Cross multiply
    993,119.72x = 1,370,969.70 × 635,631.08
  4. Step 4: Simplify right side
    993,119.72x = 871,430,951,058.28
  5. Step 5: Solve for x
    x = 871,430,951,058.28/993,119.72
  6. Step 6: Final answer
    x = 877,468.18

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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.