Home / 1,049,077.80-1,574,394.30-769,141.80

Finding the Fourth Proportional to 1,049,077.80, 1,574,394.30 and 769,141.80

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Solution

The fourth proportional to 1,049,077.80, 1,574,394.30 and 769,141.80 is: 1,154,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,077.80 : 1,574,394.30 = 769,141.80 : x
  2. Step 2: Convert to fraction form
    1,049,077.80/1,574,394.30 = 769,141.80/x
  3. Step 3: Cross multiply
    1,049,077.80x = 1,574,394.30 × 769,141.80
  4. Step 4: Simplify right side
    1,049,077.80x = 1,210,932,465,811.74
  5. Step 5: Solve for x
    x = 1,210,932,465,811.74/1,049,077.80
  6. Step 6: Final answer
    x = 1,154,282.81

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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.