Home / 1,201,853.12-1,658,557.80-658,024.16

Finding the Fourth Proportional to 1,201,853.12, 1,658,557.80 and 658,024.16

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Solution

The fourth proportional to 1,201,853.12, 1,658,557.80 and 658,024.16 is: 908,073.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,853.12 : 1,658,557.80 = 658,024.16 : x
  2. Step 2: Convert to fraction form
    1,201,853.12/1,658,557.80 = 658,024.16/x
  3. Step 3: Cross multiply
    1,201,853.12x = 1,658,557.80 × 658,024.16
  4. Step 4: Simplify right side
    1,201,853.12x = 1,091,371,103,156.45
  5. Step 5: Solve for x
    x = 1,091,371,103,156.45/1,201,853.12
  6. Step 6: Final answer
    x = 908,073.61

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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.