Home / 780,042.15-1,170,063.23-654,070.95

Finding the Fourth Proportional to 780,042.15, 1,170,063.23 and 654,070.95

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Solution

The fourth proportional to 780,042.15, 1,170,063.23 and 654,070.95 is: 981,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,042.15 : 1,170,063.23 = 654,070.95 : x
  2. Step 2: Convert to fraction form
    780,042.15/1,170,063.23 = 654,070.95/x
  3. Step 3: Cross multiply
    780,042.15x = 1,170,063.23 × 654,070.95
  4. Step 4: Simplify right side
    780,042.15x = 765,304,365,135.81
  5. Step 5: Solve for x
    x = 765,304,365,135.81/780,042.15
  6. Step 6: Final answer
    x = 981,106.43

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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.