Home / 1,375,889.39-1,898,588.77-803,261.71

Finding the Fourth Proportional to 1,375,889.39, 1,898,588.77 and 803,261.71

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Solution

The fourth proportional to 1,375,889.39, 1,898,588.77 and 803,261.71 is: 1,108,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,889.39 : 1,898,588.77 = 803,261.71 : x
  2. Step 2: Convert to fraction form
    1,375,889.39/1,898,588.77 = 803,261.71/x
  3. Step 3: Cross multiply
    1,375,889.39x = 1,898,588.77 × 803,261.71
  4. Step 4: Simplify right side
    1,375,889.39x = 1,525,063,662,342.08
  5. Step 5: Solve for x
    x = 1,525,063,662,342.08/1,375,889.39
  6. Step 6: Final answer
    x = 1,108,420.25

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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.