Home / 1,092,782.88-1,636,302.24-878,412.96

Finding the Fourth Proportional to 1,092,782.88, 1,636,302.24 and 878,412.96

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Solution

The fourth proportional to 1,092,782.88, 1,636,302.24 and 878,412.96 is: 1,315,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,782.88 : 1,636,302.24 = 878,412.96 : x
  2. Step 2: Convert to fraction form
    1,092,782.88/1,636,302.24 = 878,412.96/x
  3. Step 3: Cross multiply
    1,092,782.88x = 1,636,302.24 × 878,412.96
  4. Step 4: Simplify right side
    1,092,782.88x = 1,437,349,094,093.03
  5. Step 5: Solve for x
    x = 1,437,349,094,093.03/1,092,782.88
  6. Step 6: Final answer
    x = 1,315,310.77

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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.