Home / 1,201,994.10-1,658,700.51-658,120.02

Finding the Fourth Proportional to 1,201,994.10, 1,658,700.51 and 658,120.02

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Solution

The fourth proportional to 1,201,994.10, 1,658,700.51 and 658,120.02 is: 908,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,994.10 : 1,658,700.51 = 658,120.02 : x
  2. Step 2: Convert to fraction form
    1,201,994.10/1,658,700.51 = 658,120.02/x
  3. Step 3: Cross multiply
    1,201,994.10x = 1,658,700.51 × 658,120.02
  4. Step 4: Simplify right side
    1,201,994.10x = 1,091,624,012,815.21
  5. Step 5: Solve for x
    x = 1,091,624,012,815.21/1,201,994.10
  6. Step 6: Final answer
    x = 908,177.51

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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.