Home / 780,054.10-1,170,081.15-683,631.70

Finding the Fourth Proportional to 780,054.10, 1,170,081.15 and 683,631.70

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Solution

The fourth proportional to 780,054.10, 1,170,081.15 and 683,631.70 is: 1,025,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,054.10 : 1,170,081.15 = 683,631.70 : x
  2. Step 2: Convert to fraction form
    780,054.10/1,170,081.15 = 683,631.70/x
  3. Step 3: Cross multiply
    780,054.10x = 1,170,081.15 × 683,631.70
  4. Step 4: Simplify right side
    780,054.10x = 799,904,565,712.46
  5. Step 5: Solve for x
    x = 799,904,565,712.46/780,054.10
  6. Step 6: Final answer
    x = 1,025,447.55

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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.