Home / 1,426,492.62-1,968,550.90-781,939.98

Finding the Fourth Proportional to 1,426,492.62, 1,968,550.90 and 781,939.98

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Solution

The fourth proportional to 1,426,492.62, 1,968,550.90 and 781,939.98 is: 1,079,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,492.62 : 1,968,550.90 = 781,939.98 : x
  2. Step 2: Convert to fraction form
    1,426,492.62/1,968,550.90 = 781,939.98/x
  3. Step 3: Cross multiply
    1,426,492.62x = 1,968,550.90 × 781,939.98
  4. Step 4: Simplify right side
    1,426,492.62x = 1,539,288,649,420.13
  5. Step 5: Solve for x
    x = 1,539,288,649,420.13/1,426,492.62
  6. Step 6: Final answer
    x = 1,079,072.28

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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.