Home / 1,145,210.35-1,580,928.94-661,682.06

Finding the Fourth Proportional to 1,145,210.35, 1,580,928.94 and 661,682.06

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Solution

The fourth proportional to 1,145,210.35, 1,580,928.94 and 661,682.06 is: 913,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,210.35 : 1,580,928.94 = 661,682.06 : x
  2. Step 2: Convert to fraction form
    1,145,210.35/1,580,928.94 = 661,682.06/x
  3. Step 3: Cross multiply
    1,145,210.35x = 1,580,928.94 × 661,682.06
  4. Step 4: Simplify right side
    1,145,210.35x = 1,046,072,325,476.48
  5. Step 5: Solve for x
    x = 1,046,072,325,476.48/1,145,210.35
  6. Step 6: Final answer
    x = 913,432.48

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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.