Home / 1,206,838.50-1,665,438.23-663,009.52

Finding the Fourth Proportional to 1,206,838.50, 1,665,438.23 and 663,009.52

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Solution

The fourth proportional to 1,206,838.50, 1,665,438.23 and 663,009.52 is: 914,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,838.50 : 1,665,438.23 = 663,009.52 : x
  2. Step 2: Convert to fraction form
    1,206,838.50/1,665,438.23 = 663,009.52/x
  3. Step 3: Cross multiply
    1,206,838.50x = 1,665,438.23 × 663,009.52
  4. Step 4: Simplify right side
    1,206,838.50x = 1,104,201,401,461.95
  5. Step 5: Solve for x
    x = 1,104,201,401,461.95/1,206,838.50
  6. Step 6: Final answer
    x = 914,953.74

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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.