Home / 1,069,448.72-1,604,182.19-855,686.88

Finding the Fourth Proportional to 1,069,448.72, 1,604,182.19 and 855,686.88

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Solution

The fourth proportional to 1,069,448.72, 1,604,182.19 and 855,686.88 is: 1,283,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,448.72 : 1,604,182.19 = 855,686.88 : x
  2. Step 2: Convert to fraction form
    1,069,448.72/1,604,182.19 = 855,686.88/x
  3. Step 3: Cross multiply
    1,069,448.72x = 1,604,182.19 × 855,686.88
  4. Step 4: Simplify right side
    1,069,448.72x = 1,372,677,648,834.23
  5. Step 5: Solve for x
    x = 1,372,677,648,834.23/1,069,448.72
  6. Step 6: Final answer
    x = 1,283,537.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.