Home / 1,379,180.52-1,902,826.08-835,142.40

Finding the Fourth Proportional to 1,379,180.52, 1,902,826.08 and 835,142.40

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Solution

The fourth proportional to 1,379,180.52, 1,902,826.08 and 835,142.40 is: 1,152,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,180.52 : 1,902,826.08 = 835,142.40 : x
  2. Step 2: Convert to fraction form
    1,379,180.52/1,902,826.08 = 835,142.40/x
  3. Step 3: Cross multiply
    1,379,180.52x = 1,902,826.08 × 835,142.40
  4. Step 4: Simplify right side
    1,379,180.52x = 1,589,130,739,233.79
  5. Step 5: Solve for x
    x = 1,589,130,739,233.79/1,379,180.52
  6. Step 6: Final answer
    x = 1,152,228.24

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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.