Home / 1,240,290.71-1,860,103-341,518.45

Finding the Fourth Proportional to 1,240,290.71, 1,860,103 and 341,518.45

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Solution

The fourth proportional to 1,240,290.71, 1,860,103 and 341,518.45 is: 512,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,290.71 : 1,860,103 = 341,518.45 : x
  2. Step 2: Convert to fraction form
    1,240,290.71/1,860,103 = 341,518.45/x
  3. Step 3: Cross multiply
    1,240,290.71x = 1,860,103 × 341,518.45
  4. Step 4: Simplify right side
    1,240,290.71x = 635,259,493,400.35
  5. Step 5: Solve for x
    x = 635,259,493,400.35/1,240,290.71
  6. Step 6: Final answer
    x = 512,185.96

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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.