Home / 1,029,255.31-1,420,403.45-570,326.94

Finding the Fourth Proportional to 1,029,255.31, 1,420,403.45 and 570,326.94

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Solution

The fourth proportional to 1,029,255.31, 1,420,403.45 and 570,326.94 is: 787,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,255.31 : 1,420,403.45 = 570,326.94 : x
  2. Step 2: Convert to fraction form
    1,029,255.31/1,420,403.45 = 570,326.94/x
  3. Step 3: Cross multiply
    1,029,255.31x = 1,420,403.45 × 570,326.94
  4. Step 4: Simplify right side
    1,029,255.31x = 810,094,350,352.31
  5. Step 5: Solve for x
    x = 810,094,350,352.31/1,029,255.31
  6. Step 6: Final answer
    x = 787,068.42

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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.