Home / 1,660,365.80-2,490,548.70-538,434.80

Finding the Fourth Proportional to 1,660,365.80, 2,490,548.70 and 538,434.80

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Solution

The fourth proportional to 1,660,365.80, 2,490,548.70 and 538,434.80 is: 807,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,365.80 : 2,490,548.70 = 538,434.80 : x
  2. Step 2: Convert to fraction form
    1,660,365.80/2,490,548.70 = 538,434.80/x
  3. Step 3: Cross multiply
    1,660,365.80x = 2,490,548.70 × 538,434.80
  4. Step 4: Simplify right side
    1,660,365.80x = 1,340,998,091,174.76
  5. Step 5: Solve for x
    x = 1,340,998,091,174.76/1,660,365.80
  6. Step 6: Final answer
    x = 807,652.20

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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.