Home / 1,674,586.80-2,512,463.40-728,636.40

Finding the Fourth Proportional to 1,674,586.80, 2,512,463.40 and 728,636.40

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Solution

The fourth proportional to 1,674,586.80, 2,512,463.40 and 728,636.40 is: 1,093,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,586.80 : 2,512,463.40 = 728,636.40 : x
  2. Step 2: Convert to fraction form
    1,674,586.80/2,512,463.40 = 728,636.40/x
  3. Step 3: Cross multiply
    1,674,586.80x = 2,512,463.40 × 728,636.40
  4. Step 4: Simplify right side
    1,674,586.80x = 1,830,672,286,907.76
  5. Step 5: Solve for x
    x = 1,830,672,286,907.76/1,674,586.80
  6. Step 6: Final answer
    x = 1,093,208.36

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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.