Home / 1,342,634.90-2,013,952.35-774,986.90

Finding the Fourth Proportional to 1,342,634.90, 2,013,952.35 and 774,986.90

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Solution

The fourth proportional to 1,342,634.90, 2,013,952.35 and 774,986.90 is: 1,162,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,634.90 : 2,013,952.35 = 774,986.90 : x
  2. Step 2: Convert to fraction form
    1,342,634.90/2,013,952.35 = 774,986.90/x
  3. Step 3: Cross multiply
    1,342,634.90x = 2,013,952.35 × 774,986.90
  4. Step 4: Simplify right side
    1,342,634.90x = 1,560,786,688,474.22
  5. Step 5: Solve for x
    x = 1,560,786,688,474.22/1,342,634.90
  6. Step 6: Final answer
    x = 1,162,480.35

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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.