Home / 1,315,702.50-1,815,713.46-806,306.46

Finding the Fourth Proportional to 1,315,702.50, 1,815,713.46 and 806,306.46

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Solution

The fourth proportional to 1,315,702.50, 1,815,713.46 and 806,306.46 is: 1,112,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,702.50 : 1,815,713.46 = 806,306.46 : x
  2. Step 2: Convert to fraction form
    1,315,702.50/1,815,713.46 = 806,306.46/x
  3. Step 3: Cross multiply
    1,315,702.50x = 1,815,713.46 × 806,306.46
  4. Step 4: Simplify right side
    1,315,702.50x = 1,464,021,492,306.95
  5. Step 5: Solve for x
    x = 1,464,021,492,306.95/1,315,702.50
  6. Step 6: Final answer
    x = 1,112,729.89

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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.