Home / 1,871,605.40-2,807,408.38-451,661.50

Finding the Fourth Proportional to 1,871,605.40, 2,807,408.38 and 451,661.50

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Solution

The fourth proportional to 1,871,605.40, 2,807,408.38 and 451,661.50 is: 677,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,605.40 : 2,807,408.38 = 451,661.50 : x
  2. Step 2: Convert to fraction form
    1,871,605.40/2,807,408.38 = 451,661.50/x
  3. Step 3: Cross multiply
    1,871,605.40x = 2,807,408.38 × 451,661.50
  4. Step 4: Simplify right side
    1,871,605.40x = 1,267,998,280,023.37
  5. Step 5: Solve for x
    x = 1,267,998,280,023.37/1,871,605.40
  6. Step 6: Final answer
    x = 677,492.32

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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.