Home / 1,918,817.64-2,877,701.04-720,647.28

Finding the Fourth Proportional to 1,918,817.64, 2,877,701.04 and 720,647.28

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Solution

The fourth proportional to 1,918,817.64, 2,877,701.04 and 720,647.28 is: 1,080,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,817.64 : 2,877,701.04 = 720,647.28 : x
  2. Step 2: Convert to fraction form
    1,918,817.64/2,877,701.04 = 720,647.28/x
  3. Step 3: Cross multiply
    1,918,817.64x = 2,877,701.04 × 720,647.28
  4. Step 4: Simplify right side
    1,918,817.64x = 2,073,807,427,129.17
  5. Step 5: Solve for x
    x = 2,073,807,427,129.17/1,918,817.64
  6. Step 6: Final answer
    x = 1,080,773.59

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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.