Home / 1,152,946.89-1,728,485.62-479,532.33

Finding the Fourth Proportional to 1,152,946.89, 1,728,485.62 and 479,532.33

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Solution

The fourth proportional to 1,152,946.89, 1,728,485.62 and 479,532.33 is: 718,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,946.89 : 1,728,485.62 = 479,532.33 : x
  2. Step 2: Convert to fraction form
    1,152,946.89/1,728,485.62 = 479,532.33/x
  3. Step 3: Cross multiply
    1,152,946.89x = 1,728,485.62 × 479,532.33
  4. Step 4: Simplify right side
    1,152,946.89x = 828,864,736,730.10
  5. Step 5: Solve for x
    x = 828,864,736,730.10/1,152,946.89
  6. Step 6: Final answer
    x = 718,909.73

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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.