Home / 897,079.80-1,345,619.70-862,087.80

Finding the Fourth Proportional to 897,079.80, 1,345,619.70 and 862,087.80

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Solution

The fourth proportional to 897,079.80, 1,345,619.70 and 862,087.80 is: 1,293,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,079.80 : 1,345,619.70 = 862,087.80 : x
  2. Step 2: Convert to fraction form
    897,079.80/1,345,619.70 = 862,087.80/x
  3. Step 3: Cross multiply
    897,079.80x = 1,345,619.70 × 862,087.80
  4. Step 4: Simplify right side
    897,079.80x = 1,160,042,326,809.66
  5. Step 5: Solve for x
    x = 1,160,042,326,809.66/897,079.80
  6. Step 6: Final answer
    x = 1,293,131.70

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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.