Home / 1,818,676.40-2,728,014.12-620,598.64

Finding the Fourth Proportional to 1,818,676.40, 2,728,014.12 and 620,598.64

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Solution

The fourth proportional to 1,818,676.40, 2,728,014.12 and 620,598.64 is: 930,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,676.40 : 2,728,014.12 = 620,598.64 : x
  2. Step 2: Convert to fraction form
    1,818,676.40/2,728,014.12 = 620,598.64/x
  3. Step 3: Cross multiply
    1,818,676.40x = 2,728,014.12 × 620,598.64
  4. Step 4: Simplify right side
    1,818,676.40x = 1,693,001,852,772.80
  5. Step 5: Solve for x
    x = 1,693,001,852,772.80/1,818,676.40
  6. Step 6: Final answer
    x = 930,897.80

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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.