Home / 1,630,016.70-2,444,915.70-431,913.30

Finding the Fourth Proportional to 1,630,016.70, 2,444,915.70 and 431,913.30

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Solution

The fourth proportional to 1,630,016.70, 2,444,915.70 and 431,913.30 is: 647,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,016.70 : 2,444,915.70 = 431,913.30 : x
  2. Step 2: Convert to fraction form
    1,630,016.70/2,444,915.70 = 431,913.30/x
  3. Step 3: Cross multiply
    1,630,016.70x = 2,444,915.70 × 431,913.30
  4. Step 4: Simplify right side
    1,630,016.70x = 1,055,991,608,208.81
  5. Step 5: Solve for x
    x = 1,055,991,608,208.81/1,630,016.70
  6. Step 6: Final answer
    x = 647,840.98

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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.