Home / 1,201,948.80-1,658,689.43-658,084.63

Finding the Fourth Proportional to 1,201,948.80, 1,658,689.43 and 658,084.63

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Solution

The fourth proportional to 1,201,948.80, 1,658,689.43 and 658,084.63 is: 908,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,948.80 : 1,658,689.43 = 658,084.63 : x
  2. Step 2: Convert to fraction form
    1,201,948.80/1,658,689.43 = 658,084.63/x
  3. Step 3: Cross multiply
    1,201,948.80x = 1,658,689.43 × 658,084.63
  4. Step 4: Simplify right side
    1,201,948.80x = 1,091,558,019,826.46
  5. Step 5: Solve for x
    x = 1,091,558,019,826.46/1,201,948.80
  6. Step 6: Final answer
    x = 908,156.84

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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.