Home / 1,181,603.13-1,630,604.03-645,059.13

Finding the Fourth Proportional to 1,181,603.13, 1,630,604.03 and 645,059.13

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Solution

The fourth proportional to 1,181,603.13, 1,630,604.03 and 645,059.13 is: 890,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,603.13 : 1,630,604.03 = 645,059.13 : x
  2. Step 2: Convert to fraction form
    1,181,603.13/1,630,604.03 = 645,059.13/x
  3. Step 3: Cross multiply
    1,181,603.13x = 1,630,604.03 × 645,059.13
  4. Step 4: Simplify right side
    1,181,603.13x = 1,051,836,013,741.00
  5. Step 5: Solve for x
    x = 1,051,836,013,741.00/1,181,603.13
  6. Step 6: Final answer
    x = 890,177.07

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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.