Home / 1,458,145.80-2,187,218.70-828,289.80

Finding the Fourth Proportional to 1,458,145.80, 2,187,218.70 and 828,289.80

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Solution

The fourth proportional to 1,458,145.80, 2,187,218.70 and 828,289.80 is: 1,242,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,145.80 : 2,187,218.70 = 828,289.80 : x
  2. Step 2: Convert to fraction form
    1,458,145.80/2,187,218.70 = 828,289.80/x
  3. Step 3: Cross multiply
    1,458,145.80x = 2,187,218.70 × 828,289.80
  4. Step 4: Simplify right side
    1,458,145.80x = 1,811,650,939,579.26
  5. Step 5: Solve for x
    x = 1,811,650,939,579.26/1,458,145.80
  6. Step 6: Final answer
    x = 1,242,434.70

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Similar ratio
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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.