Home / 1,307,638.72-1,961,455.20-348,094.54

Finding the Fourth Proportional to 1,307,638.72, 1,961,455.20 and 348,094.54

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Solution

The fourth proportional to 1,307,638.72, 1,961,455.20 and 348,094.54 is: 522,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,638.72 : 1,961,455.20 = 348,094.54 : x
  2. Step 2: Convert to fraction form
    1,307,638.72/1,961,455.20 = 348,094.54/x
  3. Step 3: Cross multiply
    1,307,638.72x = 1,961,455.20 × 348,094.54
  4. Step 4: Simplify right side
    1,307,638.72x = 682,771,845,574.61
  5. Step 5: Solve for x
    x = 682,771,845,574.61/1,307,638.72
  6. Step 6: Final answer
    x = 522,141.04

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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.