Home / 1,647,020.34-2,272,782.60-921,745.62

Finding the Fourth Proportional to 1,647,020.34, 2,272,782.60 and 921,745.62

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Solution

The fourth proportional to 1,647,020.34, 2,272,782.60 and 921,745.62 is: 1,271,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,020.34 : 2,272,782.60 = 921,745.62 : x
  2. Step 2: Convert to fraction form
    1,647,020.34/2,272,782.60 = 921,745.62/x
  3. Step 3: Cross multiply
    1,647,020.34x = 2,272,782.60 × 921,745.62
  4. Step 4: Simplify right side
    1,647,020.34x = 2,094,927,406,762.21
  5. Step 5: Solve for x
    x = 2,094,927,406,762.21/1,647,020.34
  6. Step 6: Final answer
    x = 1,271,949.93

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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.