Home / 1,657,271.52-2,486,012.37-520,078.58

Finding the Fourth Proportional to 1,657,271.52, 2,486,012.37 and 520,078.58

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Solution

The fourth proportional to 1,657,271.52, 2,486,012.37 and 520,078.58 is: 780,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,271.52 : 2,486,012.37 = 520,078.58 : x
  2. Step 2: Convert to fraction form
    1,657,271.52/2,486,012.37 = 520,078.58/x
  3. Step 3: Cross multiply
    1,657,271.52x = 2,486,012.37 × 520,078.58
  4. Step 4: Simplify right side
    1,657,271.52x = 1,292,921,770,821.97
  5. Step 5: Solve for x
    x = 1,292,921,770,821.97/1,657,271.52
  6. Step 6: Final answer
    x = 780,150.84

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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.