Home / 1,087,218.15-1,630,827.23-685,684.95

Finding the Fourth Proportional to 1,087,218.15, 1,630,827.23 and 685,684.95

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Solution

The fourth proportional to 1,087,218.15, 1,630,827.23 and 685,684.95 is: 1,028,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,218.15 : 1,630,827.23 = 685,684.95 : x
  2. Step 2: Convert to fraction form
    1,087,218.15/1,630,827.23 = 685,684.95/x
  3. Step 3: Cross multiply
    1,087,218.15x = 1,630,827.23 × 685,684.95
  4. Step 4: Simplify right side
    1,087,218.15x = 1,118,233,684,232.76
  5. Step 5: Solve for x
    x = 1,118,233,684,232.76/1,087,218.15
  6. Step 6: Final answer
    x = 1,028,527.43

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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.