Home / 1,546,428.60-2,134,083.05-858,103.16

Finding the Fourth Proportional to 1,546,428.60, 2,134,083.05 and 858,103.16

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Solution

The fourth proportional to 1,546,428.60, 2,134,083.05 and 858,103.16 is: 1,184,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546,428.60 : 2,134,083.05 = 858,103.16 : x
  2. Step 2: Convert to fraction form
    1,546,428.60/2,134,083.05 = 858,103.16/x
  3. Step 3: Cross multiply
    1,546,428.60x = 2,134,083.05 × 858,103.16
  4. Step 4: Simplify right side
    1,546,428.60x = 1,831,263,393,946.51
  5. Step 5: Solve for x
    x = 1,831,263,393,946.51/1,546,428.60
  6. Step 6: Final answer
    x = 1,184,188.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.