Home / 1,781,190.40-2,672,109.60-582,779.20

Finding the Fourth Proportional to 1,781,190.40, 2,672,109.60 and 582,779.20

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Solution

The fourth proportional to 1,781,190.40, 2,672,109.60 and 582,779.20 is: 874,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,190.40 : 2,672,109.60 = 582,779.20 : x
  2. Step 2: Convert to fraction form
    1,781,190.40/2,672,109.60 = 582,779.20/x
  3. Step 3: Cross multiply
    1,781,190.40x = 2,672,109.60 × 582,779.20
  4. Step 4: Simplify right side
    1,781,190.40x = 1,557,249,895,000.32
  5. Step 5: Solve for x
    x = 1,557,249,895,000.32/1,781,190.40
  6. Step 6: Final answer
    x = 874,274.81

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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.