Home / 1,471,314.70-2,208,381.45-761,851.90

Finding the Fourth Proportional to 1,471,314.70, 2,208,381.45 and 761,851.90

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Solution

The fourth proportional to 1,471,314.70, 2,208,381.45 and 761,851.90 is: 1,143,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,314.70 : 2,208,381.45 = 761,851.90 : x
  2. Step 2: Convert to fraction form
    1,471,314.70/2,208,381.45 = 761,851.90/x
  3. Step 3: Cross multiply
    1,471,314.70x = 2,208,381.45 × 761,851.90
  4. Step 4: Simplify right side
    1,471,314.70x = 1,682,459,603,607.26
  5. Step 5: Solve for x
    x = 1,682,459,603,607.26/1,471,314.70
  6. Step 6: Final answer
    x = 1,143,507.64

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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.