Home / 2,456,571.60-3,684,857.40-858,603.60

Finding the Fourth Proportional to 2,456,571.60, 3,684,857.40 and 858,603.60

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Solution

The fourth proportional to 2,456,571.60, 3,684,857.40 and 858,603.60 is: 1,287,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456,571.60 : 3,684,857.40 = 858,603.60 : x
  2. Step 2: Convert to fraction form
    2,456,571.60/3,684,857.40 = 858,603.60/x
  3. Step 3: Cross multiply
    2,456,571.60x = 3,684,857.40 × 858,603.60
  4. Step 4: Simplify right side
    2,456,571.60x = 3,163,831,829,126.64
  5. Step 5: Solve for x
    x = 3,163,831,829,126.64/2,456,571.60
  6. Step 6: Final answer
    x = 1,287,905.40

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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.