Home / 1,221,332.14-1,685,465.36-677,450.22

Finding the Fourth Proportional to 1,221,332.14, 1,685,465.36 and 677,450.22

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Solution

The fourth proportional to 1,221,332.14, 1,685,465.36 and 677,450.22 is: 934,896.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,332.14 : 1,685,465.36 = 677,450.22 : x
  2. Step 2: Convert to fraction form
    1,221,332.14/1,685,465.36 = 677,450.22/x
  3. Step 3: Cross multiply
    1,221,332.14x = 1,685,465.36 × 677,450.22
  4. Step 4: Simplify right side
    1,221,332.14x = 1,141,818,878,934.38
  5. Step 5: Solve for x
    x = 1,141,818,878,934.38/1,221,332.14
  6. Step 6: Final answer
    x = 934,896.28

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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.