Home / 1,279,419.76-1,765,599.24-706,461.04

Finding the Fourth Proportional to 1,279,419.76, 1,765,599.24 and 706,461.04

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Solution

The fourth proportional to 1,279,419.76, 1,765,599.24 and 706,461.04 is: 974,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,419.76 : 1,765,599.24 = 706,461.04 : x
  2. Step 2: Convert to fraction form
    1,279,419.76/1,765,599.24 = 706,461.04/x
  3. Step 3: Cross multiply
    1,279,419.76x = 1,765,599.24 × 706,461.04
  4. Step 4: Simplify right side
    1,279,419.76x = 1,247,327,075,313.61
  5. Step 5: Solve for x
    x = 1,247,327,075,313.61/1,279,419.76
  6. Step 6: Final answer
    x = 974,916.22

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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.