Home / 1,326,397.44-1,830,430.80-722,785.44

Finding the Fourth Proportional to 1,326,397.44, 1,830,430.80 and 722,785.44

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Solution

The fourth proportional to 1,326,397.44, 1,830,430.80 and 722,785.44 is: 997,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,397.44 : 1,830,430.80 = 722,785.44 : x
  2. Step 2: Convert to fraction form
    1,326,397.44/1,830,430.80 = 722,785.44/x
  3. Step 3: Cross multiply
    1,326,397.44x = 1,830,430.80 × 722,785.44
  4. Step 4: Simplify right side
    1,326,397.44x = 1,323,008,731,167.55
  5. Step 5: Solve for x
    x = 1,323,008,731,167.55/1,326,397.44
  6. Step 6: Final answer
    x = 997,445.18

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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.