Home / 1,477,685.72-2,211,644.73-1,344,899.28

Finding the Fourth Proportional to 1,477,685.72, 2,211,644.73 and 1,344,899.28

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Solution

The fourth proportional to 1,477,685.72, 2,211,644.73 and 1,344,899.28 is: 2,012,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,685.72 : 2,211,644.73 = 1,344,899.28 : x
  2. Step 2: Convert to fraction form
    1,477,685.72/2,211,644.73 = 1,344,899.28/x
  3. Step 3: Cross multiply
    1,477,685.72x = 2,211,644.73 × 1,344,899.28
  4. Step 4: Simplify right side
    1,477,685.72x = 2,974,439,391,655.75
  5. Step 5: Solve for x
    x = 2,974,439,391,655.75/1,477,685.72
  6. Step 6: Final answer
    x = 2,012,903.94

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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.