Home / 1,326,341.86-1,830,351.43-722,729.86

Finding the Fourth Proportional to 1,326,341.86, 1,830,351.43 and 722,729.86

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Solution

The fourth proportional to 1,326,341.86, 1,830,351.43 and 722,729.86 is: 997,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,341.86 : 1,830,351.43 = 722,729.86 : x
  2. Step 2: Convert to fraction form
    1,326,341.86/1,830,351.43 = 722,729.86/x
  3. Step 3: Cross multiply
    1,326,341.86x = 1,830,351.43 × 722,729.86
  4. Step 4: Simplify right side
    1,326,341.86x = 1,322,849,632,754.70
  5. Step 5: Solve for x
    x = 1,322,849,632,754.70/1,326,341.86
  6. Step 6: Final answer
    x = 997,367.02

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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.