Home / 1,372,897.83-2,059,324.66-426,269.46

Finding the Fourth Proportional to 1,372,897.83, 2,059,324.66 and 426,269.46

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Solution

The fourth proportional to 1,372,897.83, 2,059,324.66 and 426,269.46 is: 639,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,897.83 : 2,059,324.66 = 426,269.46 : x
  2. Step 2: Convert to fraction form
    1,372,897.83/2,059,324.66 = 426,269.46/x
  3. Step 3: Cross multiply
    1,372,897.83x = 2,059,324.66 × 426,269.46
  4. Step 4: Simplify right side
    1,372,897.83x = 877,827,210,782.88
  5. Step 5: Solve for x
    x = 877,827,210,782.88/1,372,897.83
  6. Step 6: Final answer
    x = 639,397.33

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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.