Home / 1,367,381.61-2,045,868.33-825,643.89

Finding the Fourth Proportional to 1,367,381.61, 2,045,868.33 and 825,643.89

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Solution

The fourth proportional to 1,367,381.61, 2,045,868.33 and 825,643.89 is: 1,235,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,381.61 : 2,045,868.33 = 825,643.89 : x
  2. Step 2: Convert to fraction form
    1,367,381.61/2,045,868.33 = 825,643.89/x
  3. Step 3: Cross multiply
    1,367,381.61x = 2,045,868.33 × 825,643.89
  4. Step 4: Simplify right side
    1,367,381.61x = 1,689,158,686,409.00
  5. Step 5: Solve for x
    x = 1,689,158,686,409.00/1,367,381.61
  6. Step 6: Final answer
    x = 1,235,323.54

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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.