Home / 1,579,909.22-2,180,220.80-901,064.42

Finding the Fourth Proportional to 1,579,909.22, 2,180,220.80 and 901,064.42

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Solution

The fourth proportional to 1,579,909.22, 2,180,220.80 and 901,064.42 is: 1,243,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,909.22 : 2,180,220.80 = 901,064.42 : x
  2. Step 2: Convert to fraction form
    1,579,909.22/2,180,220.80 = 901,064.42/x
  3. Step 3: Cross multiply
    1,579,909.22x = 2,180,220.80 × 901,064.42
  4. Step 4: Simplify right side
    1,579,909.22x = 1,964,519,390,623.94
  5. Step 5: Solve for x
    x = 1,964,519,390,623.94/1,579,909.22
  6. Step 6: Final answer
    x = 1,243,438.15

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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.