Home / 1,049,431.80-1,574,147.70-839,479.80

Finding the Fourth Proportional to 1,049,431.80, 1,574,147.70 and 839,479.80

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Solution

The fourth proportional to 1,049,431.80, 1,574,147.70 and 839,479.80 is: 1,259,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,431.80 : 1,574,147.70 = 839,479.80 : x
  2. Step 2: Convert to fraction form
    1,049,431.80/1,574,147.70 = 839,479.80/x
  3. Step 3: Cross multiply
    1,049,431.80x = 1,574,147.70 × 839,479.80
  4. Step 4: Simplify right side
    1,049,431.80x = 1,321,465,196,366.46
  5. Step 5: Solve for x
    x = 1,321,465,196,366.46/1,049,431.80
  6. Step 6: Final answer
    x = 1,259,219.70

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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.