Home / 780,042.10-1,170,063.15-683,619.70

Finding the Fourth Proportional to 780,042.10, 1,170,063.15 and 683,619.70

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Solution

The fourth proportional to 780,042.10, 1,170,063.15 and 683,619.70 is: 1,025,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,042.10 : 1,170,063.15 = 683,619.70 : x
  2. Step 2: Convert to fraction form
    780,042.10/1,170,063.15 = 683,619.70/x
  3. Step 3: Cross multiply
    780,042.10x = 1,170,063.15 × 683,619.70
  4. Step 4: Simplify right side
    780,042.10x = 799,878,219,584.06
  5. Step 5: Solve for x
    x = 799,878,219,584.06/780,042.10
  6. Step 6: Final answer
    x = 1,025,429.55

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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.