Home / 1,585,528.15-2,188,017.75-860,357.43

Finding the Fourth Proportional to 1,585,528.15, 2,188,017.75 and 860,357.43

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Solution

The fourth proportional to 1,585,528.15, 2,188,017.75 and 860,357.43 is: 1,187,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,528.15 : 2,188,017.75 = 860,357.43 : x
  2. Step 2: Convert to fraction form
    1,585,528.15/2,188,017.75 = 860,357.43/x
  3. Step 3: Cross multiply
    1,585,528.15x = 2,188,017.75 × 860,357.43
  4. Step 4: Simplify right side
    1,585,528.15x = 1,882,477,328,184.38
  5. Step 5: Solve for x
    x = 1,882,477,328,184.38/1,585,528.15
  6. Step 6: Final answer
    x = 1,187,287.23

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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.