Home / 1,585,643.24-2,188,193.40-860,490.74

Finding the Fourth Proportional to 1,585,643.24, 2,188,193.40 and 860,490.74

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Solution

The fourth proportional to 1,585,643.24, 2,188,193.40 and 860,490.74 is: 1,187,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,643.24 : 2,188,193.40 = 860,490.74 : x
  2. Step 2: Convert to fraction form
    1,585,643.24/2,188,193.40 = 860,490.74/x
  3. Step 3: Cross multiply
    1,585,643.24x = 2,188,193.40 × 860,490.74
  4. Step 4: Simplify right side
    1,585,643.24x = 1,882,920,158,029.12
  5. Step 5: Solve for x
    x = 1,882,920,158,029.12/1,585,643.24
  6. Step 6: Final answer
    x = 1,187,480.33

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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.