Home / 1,079,172.48-1,489,438.12-1,031,341.44

Finding the Fourth Proportional to 1,079,172.48, 1,489,438.12 and 1,031,341.44

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Solution

The fourth proportional to 1,079,172.48, 1,489,438.12 and 1,031,341.44 is: 1,423,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,172.48 : 1,489,438.12 = 1,031,341.44 : x
  2. Step 2: Convert to fraction form
    1,079,172.48/1,489,438.12 = 1,031,341.44/x
  3. Step 3: Cross multiply
    1,079,172.48x = 1,489,438.12 × 1,031,341.44
  4. Step 4: Simplify right side
    1,079,172.48x = 1,536,119,255,471.69
  5. Step 5: Solve for x
    x = 1,536,119,255,471.69/1,079,172.48
  6. Step 6: Final answer
    x = 1,423,423.30

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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.