Home / 1,221,006.32-1,684,988.71-677,225.37

Finding the Fourth Proportional to 1,221,006.32, 1,684,988.71 and 677,225.37

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Solution

The fourth proportional to 1,221,006.32, 1,684,988.71 and 677,225.37 is: 934,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,006.32 : 1,684,988.71 = 677,225.37 : x
  2. Step 2: Convert to fraction form
    1,221,006.32/1,684,988.71 = 677,225.37/x
  3. Step 3: Cross multiply
    1,221,006.32x = 1,684,988.71 × 677,225.37
  4. Step 4: Simplify right side
    1,221,006.32x = 1,141,117,102,575.57
  5. Step 5: Solve for x
    x = 1,141,117,102,575.57/1,221,006.32
  6. Step 6: Final answer
    x = 934,571.01

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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.