Home / 1,925,970.65-2,889,518.45-860,763.62

Finding the Fourth Proportional to 1,925,970.65, 2,889,518.45 and 860,763.62

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Solution

The fourth proportional to 1,925,970.65, 2,889,518.45 and 860,763.62 is: 1,291,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,970.65 : 2,889,518.45 = 860,763.62 : x
  2. Step 2: Convert to fraction form
    1,925,970.65/2,889,518.45 = 860,763.62/x
  3. Step 3: Cross multiply
    1,925,970.65x = 2,889,518.45 × 860,763.62
  4. Step 4: Simplify right side
    1,925,970.65x = 2,487,192,342,327.38
  5. Step 5: Solve for x
    x = 2,487,192,342,327.38/1,925,970.65
  6. Step 6: Final answer
    x = 1,291,396.81

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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.