Home / 1,118,304.27-1,677,511.79-319,703.48

Finding the Fourth Proportional to 1,118,304.27, 1,677,511.79 and 319,703.48

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Solution

The fourth proportional to 1,118,304.27, 1,677,511.79 and 319,703.48 is: 479,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,304.27 : 1,677,511.79 = 319,703.48 : x
  2. Step 2: Convert to fraction form
    1,118,304.27/1,677,511.79 = 319,703.48/x
  3. Step 3: Cross multiply
    1,118,304.27x = 1,677,511.79 × 319,703.48
  4. Step 4: Simplify right side
    1,118,304.27x = 536,306,347,017.95
  5. Step 5: Solve for x
    x = 536,306,347,017.95/1,118,304.27
  6. Step 6: Final answer
    x = 479,571.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.