Home / 1,201,849.12-1,658,552.32-658,020.16

Finding the Fourth Proportional to 1,201,849.12, 1,658,552.32 and 658,020.16

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Solution

The fourth proportional to 1,201,849.12, 1,658,552.32 and 658,020.16 is: 908,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,849.12 : 1,658,552.32 = 658,020.16 : x
  2. Step 2: Convert to fraction form
    1,201,849.12/1,658,552.32 = 658,020.16/x
  3. Step 3: Cross multiply
    1,201,849.12x = 1,658,552.32 × 658,020.16
  4. Step 4: Simplify right side
    1,201,849.12x = 1,091,360,862,974.77
  5. Step 5: Solve for x
    x = 1,091,360,862,974.77/1,201,849.12
  6. Step 6: Final answer
    x = 908,068.11

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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.