Home / 747,314.40-1,120,971.60-676,455.60

Finding the Fourth Proportional to 747,314.40, 1,120,971.60 and 676,455.60

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Solution

The fourth proportional to 747,314.40, 1,120,971.60 and 676,455.60 is: 1,014,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,314.40 : 1,120,971.60 = 676,455.60 : x
  2. Step 2: Convert to fraction form
    747,314.40/1,120,971.60 = 676,455.60/x
  3. Step 3: Cross multiply
    747,314.40x = 1,120,971.60 × 676,455.60
  4. Step 4: Simplify right side
    747,314.40x = 758,287,516,260.96
  5. Step 5: Solve for x
    x = 758,287,516,260.96/747,314.40
  6. Step 6: Final answer
    x = 1,014,683.40

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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.