Home / 1,426,493.62-1,968,552.28-781,940.98

Finding the Fourth Proportional to 1,426,493.62, 1,968,552.28 and 781,940.98

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Solution

The fourth proportional to 1,426,493.62, 1,968,552.28 and 781,940.98 is: 1,079,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,493.62 : 1,968,552.28 = 781,940.98 : x
  2. Step 2: Convert to fraction form
    1,426,493.62/1,968,552.28 = 781,940.98/x
  3. Step 3: Cross multiply
    1,426,493.62x = 1,968,552.28 × 781,940.98
  4. Step 4: Simplify right side
    1,426,493.62x = 1,539,291,699,004.43
  5. Step 5: Solve for x
    x = 1,539,291,699,004.43/1,426,493.62
  6. Step 6: Final answer
    x = 1,079,073.67

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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.