Home / 1,242,559.09-1,863,619.93-331,752.86

Finding the Fourth Proportional to 1,242,559.09, 1,863,619.93 and 331,752.86

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Solution

The fourth proportional to 1,242,559.09, 1,863,619.93 and 331,752.86 is: 497,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,559.09 : 1,863,619.93 = 331,752.86 : x
  2. Step 2: Convert to fraction form
    1,242,559.09/1,863,619.93 = 331,752.86/x
  3. Step 3: Cross multiply
    1,242,559.09x = 1,863,619.93 × 331,752.86
  4. Step 4: Simplify right side
    1,242,559.09x = 618,261,249,365.47
  5. Step 5: Solve for x
    x = 618,261,249,365.47/1,242,559.09
  6. Step 6: Final answer
    x = 497,570.91

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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.