Home / 1,279,082.90-1,765,088.13-706,110.77

Finding the Fourth Proportional to 1,279,082.90, 1,765,088.13 and 706,110.77

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Solution

The fourth proportional to 1,279,082.90, 1,765,088.13 and 706,110.77 is: 974,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,082.90 : 1,765,088.13 = 706,110.77 : x
  2. Step 2: Convert to fraction form
    1,279,082.90/1,765,088.13 = 706,110.77/x
  3. Step 3: Cross multiply
    1,279,082.90x = 1,765,088.13 × 706,110.77
  4. Step 4: Simplify right side
    1,279,082.90x = 1,246,347,738,592.16
  5. Step 5: Solve for x
    x = 1,246,347,738,592.16/1,279,082.90
  6. Step 6: Final answer
    x = 974,407.32

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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.