Home / 1,201,948.05-1,658,688.40-658,083.88

Finding the Fourth Proportional to 1,201,948.05, 1,658,688.40 and 658,083.88

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Solution

The fourth proportional to 1,201,948.05, 1,658,688.40 and 658,083.88 is: 908,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,948.05 : 1,658,688.40 = 658,083.88 : x
  2. Step 2: Convert to fraction form
    1,201,948.05/1,658,688.40 = 658,083.88/x
  3. Step 3: Cross multiply
    1,201,948.05x = 1,658,688.40 × 658,083.88
  4. Step 4: Simplify right side
    1,201,948.05x = 1,091,556,097,982.99
  5. Step 5: Solve for x
    x = 1,091,556,097,982.99/1,201,948.05
  6. Step 6: Final answer
    x = 908,155.80

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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.