Home / 1,188,957.88-1,783,062.16-390,053.26

Finding the Fourth Proportional to 1,188,957.88, 1,783,062.16 and 390,053.26

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Solution

The fourth proportional to 1,188,957.88, 1,783,062.16 and 390,053.26 is: 584,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,957.88 : 1,783,062.16 = 390,053.26 : x
  2. Step 2: Convert to fraction form
    1,188,957.88/1,783,062.16 = 390,053.26/x
  3. Step 3: Cross multiply
    1,188,957.88x = 1,783,062.16 × 390,053.26
  4. Step 4: Simplify right side
    1,188,957.88x = 695,489,208,290.64
  5. Step 5: Solve for x
    x = 695,489,208,290.64/1,188,957.88
  6. Step 6: Final answer
    x = 584,956.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.