Home / 1,424,465.32-1,965,761.20-779,885.36

Finding the Fourth Proportional to 1,424,465.32, 1,965,761.20 and 779,885.36

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Solution

The fourth proportional to 1,424,465.32, 1,965,761.20 and 779,885.36 is: 1,076,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,465.32 : 1,965,761.20 = 779,885.36 : x
  2. Step 2: Convert to fraction form
    1,424,465.32/1,965,761.20 = 779,885.36/x
  3. Step 3: Cross multiply
    1,424,465.32x = 1,965,761.20 × 779,885.36
  4. Step 4: Simplify right side
    1,424,465.32x = 1,533,068,381,136.03
  5. Step 5: Solve for x
    x = 1,533,068,381,136.03/1,424,465.32
  6. Step 6: Final answer
    x = 1,076,241.28

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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.