Home / 1,646,911.04-2,272,414.24-921,790.40

Finding the Fourth Proportional to 1,646,911.04, 2,272,414.24 and 921,790.40

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Solution

The fourth proportional to 1,646,911.04, 2,272,414.24 and 921,790.40 is: 1,271,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,911.04 : 2,272,414.24 = 921,790.40 : x
  2. Step 2: Convert to fraction form
    1,646,911.04/2,272,414.24 = 921,790.40/x
  3. Step 3: Cross multiply
    1,646,911.04x = 2,272,414.24 × 921,790.40
  4. Step 4: Simplify right side
    1,646,911.04x = 2,094,689,631,255.30
  5. Step 5: Solve for x
    x = 2,094,689,631,255.30/1,646,911.04
  6. Step 6: Final answer
    x = 1,271,889.97

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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.