Home / 1,289,635.10-1,777,820.77-901,244.69

Finding the Fourth Proportional to 1,289,635.10, 1,777,820.77 and 901,244.69

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Solution

The fourth proportional to 1,289,635.10, 1,777,820.77 and 901,244.69 is: 1,242,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,635.10 : 1,777,820.77 = 901,244.69 : x
  2. Step 2: Convert to fraction form
    1,289,635.10/1,777,820.77 = 901,244.69/x
  3. Step 3: Cross multiply
    1,289,635.10x = 1,777,820.77 × 901,244.69
  4. Step 4: Simplify right side
    1,289,635.10x = 1,602,251,527,638.49
  5. Step 5: Solve for x
    x = 1,602,251,527,638.49/1,289,635.10
  6. Step 6: Final answer
    x = 1,242,406.89

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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.