Home / 1,056,906.15-1,585,359.23-678,992.55

Finding the Fourth Proportional to 1,056,906.15, 1,585,359.23 and 678,992.55

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Solution

The fourth proportional to 1,056,906.15, 1,585,359.23 and 678,992.55 is: 1,018,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,906.15 : 1,585,359.23 = 678,992.55 : x
  2. Step 2: Convert to fraction form
    1,056,906.15/1,585,359.23 = 678,992.55/x
  3. Step 3: Cross multiply
    1,056,906.15x = 1,585,359.23 × 678,992.55
  4. Step 4: Simplify right side
    1,056,906.15x = 1,076,447,102,848.77
  5. Step 5: Solve for x
    x = 1,076,447,102,848.77/1,056,906.15
  6. Step 6: Final answer
    x = 1,018,488.83

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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.