Home / 1,790,658.40-2,686,462.80-779,346.40

Finding the Fourth Proportional to 1,790,658.40, 2,686,462.80 and 779,346.40

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Solution

The fourth proportional to 1,790,658.40, 2,686,462.80 and 779,346.40 is: 1,169,226.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,658.40 : 2,686,462.80 = 779,346.40 : x
  2. Step 2: Convert to fraction form
    1,790,658.40/2,686,462.80 = 779,346.40/x
  3. Step 3: Cross multiply
    1,790,658.40x = 2,686,462.80 × 779,346.40
  4. Step 4: Simplify right side
    1,790,658.40x = 2,093,685,111,913.92
  5. Step 5: Solve for x
    x = 2,093,685,111,913.92/1,790,658.40
  6. Step 6: Final answer
    x = 1,169,226.42

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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.