Home / 1,385,081.40-2,078,010.90-675,132.60

Finding the Fourth Proportional to 1,385,081.40, 2,078,010.90 and 675,132.60

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Solution

The fourth proportional to 1,385,081.40, 2,078,010.90 and 675,132.60 is: 1,012,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,081.40 : 2,078,010.90 = 675,132.60 : x
  2. Step 2: Convert to fraction form
    1,385,081.40/2,078,010.90 = 675,132.60/x
  3. Step 3: Cross multiply
    1,385,081.40x = 2,078,010.90 × 675,132.60
  4. Step 4: Simplify right side
    1,385,081.40x = 1,402,932,901,745.34
  5. Step 5: Solve for x
    x = 1,402,932,901,745.34/1,385,081.40
  6. Step 6: Final answer
    x = 1,012,888.41

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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.