Home / 1,145,138.76-1,580,339.70-635,888.52

Finding the Fourth Proportional to 1,145,138.76, 1,580,339.70 and 635,888.52

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Solution

The fourth proportional to 1,145,138.76, 1,580,339.70 and 635,888.52 is: 877,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,138.76 : 1,580,339.70 = 635,888.52 : x
  2. Step 2: Convert to fraction form
    1,145,138.76/1,580,339.70 = 635,888.52/x
  3. Step 3: Cross multiply
    1,145,138.76x = 1,580,339.70 × 635,888.52
  4. Step 4: Simplify right side
    1,145,138.76x = 1,004,919,872,930.24
  5. Step 5: Solve for x
    x = 1,004,919,872,930.24/1,145,138.76
  6. Step 6: Final answer
    x = 877,552.93

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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.