Home / 1,112,904.11-1,535,668.04-660,107.63

Finding the Fourth Proportional to 1,112,904.11, 1,535,668.04 and 660,107.63

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Solution

The fourth proportional to 1,112,904.11, 1,535,668.04 and 660,107.63 is: 910,865.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,904.11 : 1,535,668.04 = 660,107.63 : x
  2. Step 2: Convert to fraction form
    1,112,904.11/1,535,668.04 = 660,107.63/x
  3. Step 3: Cross multiply
    1,112,904.11x = 1,535,668.04 × 660,107.63
  4. Step 4: Simplify right side
    1,112,904.11x = 1,013,706,179,372.27
  5. Step 5: Solve for x
    x = 1,013,706,179,372.27/1,112,904.11
  6. Step 6: Final answer
    x = 910,865.70

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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.