Home / 1,083,447.12-1,495,405.86-720,886.26

Finding the Fourth Proportional to 1,083,447.12, 1,495,405.86 and 720,886.26

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Solution

The fourth proportional to 1,083,447.12, 1,495,405.86 and 720,886.26 is: 994,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,447.12 : 1,495,405.86 = 720,886.26 : x
  2. Step 2: Convert to fraction form
    1,083,447.12/1,495,405.86 = 720,886.26/x
  3. Step 3: Cross multiply
    1,083,447.12x = 1,495,405.86 × 720,886.26
  4. Step 4: Simplify right side
    1,083,447.12x = 1,078,017,537,597.48
  5. Step 5: Solve for x
    x = 1,078,017,537,597.48/1,083,447.12
  6. Step 6: Final answer
    x = 994,988.60

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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.