Home / 1,184,135.16-1,634,107.70-640,270.82

Finding the Fourth Proportional to 1,184,135.16, 1,634,107.70 and 640,270.82

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Solution

The fourth proportional to 1,184,135.16, 1,634,107.70 and 640,270.82 is: 883,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,135.16 : 1,634,107.70 = 640,270.82 : x
  2. Step 2: Convert to fraction form
    1,184,135.16/1,634,107.70 = 640,270.82/x
  3. Step 3: Cross multiply
    1,184,135.16x = 1,634,107.70 × 640,270.82
  4. Step 4: Simplify right side
    1,184,135.16x = 1,046,271,465,675.42
  5. Step 5: Solve for x
    x = 1,046,271,465,675.42/1,184,135.16
  6. Step 6: Final answer
    x = 883,574.36

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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.