Home / 869,085.80-1,303,628.70-834,093.80

Finding the Fourth Proportional to 869,085.80, 1,303,628.70 and 834,093.80

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Solution

The fourth proportional to 869,085.80, 1,303,628.70 and 834,093.80 is: 1,251,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,085.80 : 1,303,628.70 = 834,093.80 : x
  2. Step 2: Convert to fraction form
    869,085.80/1,303,628.70 = 834,093.80/x
  3. Step 3: Cross multiply
    869,085.80x = 1,303,628.70 × 834,093.80
  4. Step 4: Simplify right side
    869,085.80x = 1,087,348,616,172.06
  5. Step 5: Solve for x
    x = 1,087,348,616,172.06/869,085.80
  6. Step 6: Final answer
    x = 1,251,140.70

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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.