Home / 1,393,749.42-2,090,181.24-947,338.98

Finding the Fourth Proportional to 1,393,749.42, 2,090,181.24 and 947,338.98

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Solution

The fourth proportional to 1,393,749.42, 2,090,181.24 and 947,338.98 is: 1,420,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,749.42 : 2,090,181.24 = 947,338.98 : x
  2. Step 2: Convert to fraction form
    1,393,749.42/2,090,181.24 = 947,338.98/x
  3. Step 3: Cross multiply
    1,393,749.42x = 2,090,181.24 × 947,338.98
  4. Step 4: Simplify right side
    1,393,749.42x = 1,980,110,163,916.74
  5. Step 5: Solve for x
    x = 1,980,110,163,916.74/1,393,749.42
  6. Step 6: Final answer
    x = 1,420,707.44

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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.