Home / 1,478,615.92-2,219,168.04-1,385,303.92

Finding the Fourth Proportional to 1,478,615.92, 2,219,168.04 and 1,385,303.92

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Solution

The fourth proportional to 1,478,615.92, 2,219,168.04 and 1,385,303.92 is: 2,079,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,615.92 : 2,219,168.04 = 1,385,303.92 : x
  2. Step 2: Convert to fraction form
    1,478,615.92/2,219,168.04 = 1,385,303.92/x
  3. Step 3: Cross multiply
    1,478,615.92x = 2,219,168.04 × 1,385,303.92
  4. Step 4: Simplify right side
    1,478,615.92x = 3,074,222,184,950.72
  5. Step 5: Solve for x
    x = 3,074,222,184,950.72/1,478,615.92
  6. Step 6: Final answer
    x = 2,079,121.52

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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.