Home / 1,340,334.60-2,010,501.90-771,495.90

Finding the Fourth Proportional to 1,340,334.60, 2,010,501.90 and 771,495.90

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Solution

The fourth proportional to 1,340,334.60, 2,010,501.90 and 771,495.90 is: 1,157,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,334.60 : 2,010,501.90 = 771,495.90 : x
  2. Step 2: Convert to fraction form
    1,340,334.60/2,010,501.90 = 771,495.90/x
  3. Step 3: Cross multiply
    1,340,334.60x = 2,010,501.90 × 771,495.90
  4. Step 4: Simplify right side
    1,340,334.60x = 1,551,093,972,792.21
  5. Step 5: Solve for x
    x = 1,551,093,972,792.21/1,340,334.60
  6. Step 6: Final answer
    x = 1,157,243.85

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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.