Home / 1,160,181.04-1,601,050.42-643,935.15

Finding the Fourth Proportional to 1,160,181.04, 1,601,050.42 and 643,935.15

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Solution

The fourth proportional to 1,160,181.04, 1,601,050.42 and 643,935.15 is: 888,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,181.04 : 1,601,050.42 = 643,935.15 : x
  2. Step 2: Convert to fraction form
    1,160,181.04/1,601,050.42 = 643,935.15/x
  3. Step 3: Cross multiply
    1,160,181.04x = 1,601,050.42 × 643,935.15
  4. Step 4: Simplify right side
    1,160,181.04x = 1,030,972,642,360.26
  5. Step 5: Solve for x
    x = 1,030,972,642,360.26/1,160,181.04
  6. Step 6: Final answer
    x = 888,630.83

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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.