Home / 1,065,738.85-1,471,701.79-684,429.93

Finding the Fourth Proportional to 1,065,738.85, 1,471,701.79 and 684,429.93

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Solution

The fourth proportional to 1,065,738.85, 1,471,701.79 and 684,429.93 is: 945,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,738.85 : 1,471,701.79 = 684,429.93 : x
  2. Step 2: Convert to fraction form
    1,065,738.85/1,471,701.79 = 684,429.93/x
  3. Step 3: Cross multiply
    1,065,738.85x = 1,471,701.79 × 684,429.93
  4. Step 4: Simplify right side
    1,065,738.85x = 1,007,276,753,966.11
  5. Step 5: Solve for x
    x = 1,007,276,753,966.11/1,065,738.85
  6. Step 6: Final answer
    x = 945,144.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.