Home / 1,317,779.20-1,976,085.60-607,441.60

Finding the Fourth Proportional to 1,317,779.20, 1,976,085.60 and 607,441.60

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Solution

The fourth proportional to 1,317,779.20, 1,976,085.60 and 607,441.60 is: 910,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,779.20 : 1,976,085.60 = 607,441.60 : x
  2. Step 2: Convert to fraction form
    1,317,779.20/1,976,085.60 = 607,441.60/x
  3. Step 3: Cross multiply
    1,317,779.20x = 1,976,085.60 × 607,441.60
  4. Step 4: Simplify right side
    1,317,779.20x = 1,200,356,598,600.96
  5. Step 5: Solve for x
    x = 1,200,356,598,600.96/1,317,779.20
  6. Step 6: Final answer
    x = 910,893.57

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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.