Home / 1,087,255.86-1,630,757.06-288,599.46

Finding the Fourth Proportional to 1,087,255.86, 1,630,757.06 and 288,599.46

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Solution

The fourth proportional to 1,087,255.86, 1,630,757.06 and 288,599.46 is: 432,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,255.86 : 1,630,757.06 = 288,599.46 : x
  2. Step 2: Convert to fraction form
    1,087,255.86/1,630,757.06 = 288,599.46/x
  3. Step 3: Cross multiply
    1,087,255.86x = 1,630,757.06 × 288,599.46
  4. Step 4: Simplify right side
    1,087,255.86x = 470,635,599,474.90
  5. Step 5: Solve for x
    x = 470,635,599,474.90/1,087,255.86
  6. Step 6: Final answer
    x = 432,865.55

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1.5x scale

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.