Home / 1,328,984.48-1,836,397.60-946,346.96

Finding the Fourth Proportional to 1,328,984.48, 1,836,397.60 and 946,346.96

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Solution

The fourth proportional to 1,328,984.48, 1,836,397.60 and 946,346.96 is: 1,307,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,984.48 : 1,836,397.60 = 946,346.96 : x
  2. Step 2: Convert to fraction form
    1,328,984.48/1,836,397.60 = 946,346.96/x
  3. Step 3: Cross multiply
    1,328,984.48x = 1,836,397.60 × 946,346.96
  4. Step 4: Simplify right side
    1,328,984.48x = 1,737,869,286,111.30
  5. Step 5: Solve for x
    x = 1,737,869,286,111.30/1,328,984.48
  6. Step 6: Final answer
    x = 1,307,667.10

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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.