Home / 1,112,658.63-1,535,768.30-654,080.50

Finding the Fourth Proportional to 1,112,658.63, 1,535,768.30 and 654,080.50

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Solution

The fourth proportional to 1,112,658.63, 1,535,768.30 and 654,080.50 is: 902,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,658.63 : 1,535,768.30 = 654,080.50 : x
  2. Step 2: Convert to fraction form
    1,112,658.63/1,535,768.30 = 654,080.50/x
  3. Step 3: Cross multiply
    1,112,658.63x = 1,535,768.30 × 654,080.50
  4. Step 4: Simplify right side
    1,112,658.63x = 1,004,516,101,103.06
  5. Step 5: Solve for x
    x = 1,004,516,101,103.06/1,112,658.63
  6. Step 6: Final answer
    x = 902,807.09

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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.