Home / 1,245,339.75-1,868,600.11-740,897.26

Finding the Fourth Proportional to 1,245,339.75, 1,868,600.11 and 740,897.26

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Solution

The fourth proportional to 1,245,339.75, 1,868,600.11 and 740,897.26 is: 1,111,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,339.75 : 1,868,600.11 = 740,897.26 : x
  2. Step 2: Convert to fraction form
    1,245,339.75/1,868,600.11 = 740,897.26/x
  3. Step 3: Cross multiply
    1,245,339.75x = 1,868,600.11 × 740,897.26
  4. Step 4: Simplify right side
    1,245,339.75x = 1,384,440,708,994.79
  5. Step 5: Solve for x
    x = 1,384,440,708,994.79/1,245,339.75
  6. Step 6: Final answer
    x = 1,111,697.20

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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.