Home / 1,029,287.80-1,543,931.70-693,364.60

Finding the Fourth Proportional to 1,029,287.80, 1,543,931.70 and 693,364.60

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Solution

The fourth proportional to 1,029,287.80, 1,543,931.70 and 693,364.60 is: 1,040,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,287.80 : 1,543,931.70 = 693,364.60 : x
  2. Step 2: Convert to fraction form
    1,029,287.80/1,543,931.70 = 693,364.60/x
  3. Step 3: Cross multiply
    1,029,287.80x = 1,543,931.70 × 693,364.60
  4. Step 4: Simplify right side
    1,029,287.80x = 1,070,507,585,597.82
  5. Step 5: Solve for x
    x = 1,070,507,585,597.82/1,029,287.80
  6. Step 6: Final answer
    x = 1,040,046.90

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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.