Home / 1,145,139.76-1,580,341.08-635,889.52

Finding the Fourth Proportional to 1,145,139.76, 1,580,341.08 and 635,889.52

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Solution

The fourth proportional to 1,145,139.76, 1,580,341.08 and 635,889.52 is: 877,554.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,139.76 : 1,580,341.08 = 635,889.52 : x
  2. Step 2: Convert to fraction form
    1,145,139.76/1,580,341.08 = 635,889.52/x
  3. Step 3: Cross multiply
    1,145,139.76x = 1,580,341.08 × 635,889.52
  4. Step 4: Simplify right side
    1,145,139.76x = 1,004,922,330,797.48
  5. Step 5: Solve for x
    x = 1,004,922,330,797.48/1,145,139.76
  6. Step 6: Final answer
    x = 877,554.31

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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.