Home / 1,122,383.30-1,683,823.73-323,602.51

Finding the Fourth Proportional to 1,122,383.30, 1,683,823.73 and 323,602.51

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Solution

The fourth proportional to 1,122,383.30, 1,683,823.73 and 323,602.51 is: 485,475.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,383.30 : 1,683,823.73 = 323,602.51 : x
  2. Step 2: Convert to fraction form
    1,122,383.30/1,683,823.73 = 323,602.51/x
  3. Step 3: Cross multiply
    1,122,383.30x = 1,683,823.73 × 323,602.51
  4. Step 4: Simplify right side
    1,122,383.30x = 544,889,585,425.56
  5. Step 5: Solve for x
    x = 544,889,585,425.56/1,122,383.30
  6. Step 6: Final answer
    x = 485,475.49

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Double scale
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1.5x scale

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.