Home / 1,240,450.43-1,860,339.62-341,678.41

Finding the Fourth Proportional to 1,240,450.43, 1,860,339.62 and 341,678.41

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Solution

The fourth proportional to 1,240,450.43, 1,860,339.62 and 341,678.41 is: 512,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,450.43 : 1,860,339.62 = 341,678.41 : x
  2. Step 2: Convert to fraction form
    1,240,450.43/1,860,339.62 = 341,678.41/x
  3. Step 3: Cross multiply
    1,240,450.43x = 1,860,339.62 × 341,678.41
  4. Step 4: Simplify right side
    1,240,450.43x = 635,637,879,624.95
  5. Step 5: Solve for x
    x = 635,637,879,624.95/1,240,450.43
  6. Step 6: Final answer
    x = 512,425.05

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1.5x scale

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.