Home / 1,261,070.79-1,739,822.94-970,771.14

Finding the Fourth Proportional to 1,261,070.79, 1,739,822.94 and 970,771.14

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Solution

The fourth proportional to 1,261,070.79, 1,739,822.94 and 970,771.14 is: 1,339,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,070.79 : 1,739,822.94 = 970,771.14 : x
  2. Step 2: Convert to fraction form
    1,261,070.79/1,739,822.94 = 970,771.14/x
  3. Step 3: Cross multiply
    1,261,070.79x = 1,739,822.94 × 970,771.14
  4. Step 4: Simplify right side
    1,261,070.79x = 1,688,969,898,861.95
  5. Step 5: Solve for x
    x = 1,688,969,898,861.95/1,261,070.79
  6. Step 6: Final answer
    x = 1,339,314.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.