Home / 1,464,638.81-2,195,408.12-666,480.87

Finding the Fourth Proportional to 1,464,638.81, 2,195,408.12 and 666,480.87

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Solution

The fourth proportional to 1,464,638.81, 2,195,408.12 and 666,480.87 is: 999,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,638.81 : 2,195,408.12 = 666,480.87 : x
  2. Step 2: Convert to fraction form
    1,464,638.81/2,195,408.12 = 666,480.87/x
  3. Step 3: Cross multiply
    1,464,638.81x = 2,195,408.12 × 666,480.87
  4. Step 4: Simplify right side
    1,464,638.81x = 1,463,197,510,490.26
  5. Step 5: Solve for x
    x = 1,463,197,510,490.26/1,464,638.81
  6. Step 6: Final answer
    x = 999,015.94

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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.