Home / 1,779,428.80-2,665,514.40-1,103,435.20

Finding the Fourth Proportional to 1,779,428.80, 2,665,514.40 and 1,103,435.20

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Solution

The fourth proportional to 1,779,428.80, 2,665,514.40 and 1,103,435.20 is: 1,652,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,428.80 : 2,665,514.40 = 1,103,435.20 : x
  2. Step 2: Convert to fraction form
    1,779,428.80/2,665,514.40 = 1,103,435.20/x
  3. Step 3: Cross multiply
    1,779,428.80x = 2,665,514.40 × 1,103,435.20
  4. Step 4: Simplify right side
    1,779,428.80x = 2,941,222,415,066.88
  5. Step 5: Solve for x
    x = 2,941,222,415,066.88/1,779,428.80
  6. Step 6: Final answer
    x = 1,652,902.56

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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.