Home / 1,181,624.04-1,630,632.82-645,080.04

Finding the Fourth Proportional to 1,181,624.04, 1,630,632.82 and 645,080.04

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Solution

The fourth proportional to 1,181,624.04, 1,630,632.82 and 645,080.04 is: 890,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,624.04 : 1,630,632.82 = 645,080.04 : x
  2. Step 2: Convert to fraction form
    1,181,624.04/1,630,632.82 = 645,080.04/x
  3. Step 3: Cross multiply
    1,181,624.04x = 1,630,632.82 × 645,080.04
  4. Step 4: Simplify right side
    1,181,624.04x = 1,051,888,684,750.91
  5. Step 5: Solve for x
    x = 1,051,888,684,750.91/1,181,624.04
  6. Step 6: Final answer
    x = 890,205.89

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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.