Home / 1,402,336.80-1,934,760.06-790,414.20

Finding the Fourth Proportional to 1,402,336.80, 1,934,760.06 and 790,414.20

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Solution

The fourth proportional to 1,402,336.80, 1,934,760.06 and 790,414.20 is: 1,090,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,336.80 : 1,934,760.06 = 790,414.20 : x
  2. Step 2: Convert to fraction form
    1,402,336.80/1,934,760.06 = 790,414.20/x
  3. Step 3: Cross multiply
    1,402,336.80x = 1,934,760.06 × 790,414.20
  4. Step 4: Simplify right side
    1,402,336.80x = 1,529,261,825,016.85
  5. Step 5: Solve for x
    x = 1,529,261,825,016.85/1,402,336.80
  6. Step 6: Final answer
    x = 1,090,509.66

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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.