Home / 1,146,778.05-1,582,520.03-630,532.60

Finding the Fourth Proportional to 1,146,778.05, 1,582,520.03 and 630,532.60

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Solution

The fourth proportional to 1,146,778.05, 1,582,520.03 and 630,532.60 is: 870,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,778.05 : 1,582,520.03 = 630,532.60 : x
  2. Step 2: Convert to fraction form
    1,146,778.05/1,582,520.03 = 630,532.60/x
  3. Step 3: Cross multiply
    1,146,778.05x = 1,582,520.03 × 630,532.60
  4. Step 4: Simplify right side
    1,146,778.05x = 997,830,476,771.93
  5. Step 5: Solve for x
    x = 997,830,476,771.93/1,146,778.05
  6. Step 6: Final answer
    x = 870,116.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.