Home / 1,974,330-2,961,495.41-712,157.49

Finding the Fourth Proportional to 1,974,330, 2,961,495.41 and 712,157.49

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Solution

The fourth proportional to 1,974,330, 2,961,495.41 and 712,157.49 is: 1,068,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,330 : 2,961,495.41 = 712,157.49 : x
  2. Step 2: Convert to fraction form
    1,974,330/2,961,495.41 = 712,157.49/x
  3. Step 3: Cross multiply
    1,974,330x = 2,961,495.41 × 712,157.49
  4. Step 4: Simplify right side
    1,974,330x = 2,109,051,134,271.33
  5. Step 5: Solve for x
    x = 2,109,051,134,271.33/1,974,330
  6. Step 6: Final answer
    x = 1,068,236.38

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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.