Home / 1,585,878.74-2,188,514.75-860,726.43

Finding the Fourth Proportional to 1,585,878.74, 2,188,514.75 and 860,726.43

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Solution

The fourth proportional to 1,585,878.74, 2,188,514.75 and 860,726.43 is: 1,187,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,878.74 : 2,188,514.75 = 860,726.43 : x
  2. Step 2: Convert to fraction form
    1,585,878.74/2,188,514.75 = 860,726.43/x
  3. Step 3: Cross multiply
    1,585,878.74x = 2,188,514.75 × 860,726.43
  4. Step 4: Simplify right side
    1,585,878.74x = 1,883,712,483,466.21
  5. Step 5: Solve for x
    x = 1,883,712,483,466.21/1,585,878.74
  6. Step 6: Final answer
    x = 1,187,803.61

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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.