Home / 1,314,482.10-1,971,723.15-515,789.70

Finding the Fourth Proportional to 1,314,482.10, 1,971,723.15 and 515,789.70

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Solution

The fourth proportional to 1,314,482.10, 1,971,723.15 and 515,789.70 is: 773,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,482.10 : 1,971,723.15 = 515,789.70 : x
  2. Step 2: Convert to fraction form
    1,314,482.10/1,971,723.15 = 515,789.70/x
  3. Step 3: Cross multiply
    1,314,482.10x = 1,971,723.15 × 515,789.70
  4. Step 4: Simplify right side
    1,314,482.10x = 1,016,994,492,021.56
  5. Step 5: Solve for x
    x = 1,016,994,492,021.56/1,314,482.10
  6. Step 6: Final answer
    x = 773,684.55

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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.