Home / 1,424,455.88-1,965,748.21-779,875.90

Finding the Fourth Proportional to 1,424,455.88, 1,965,748.21 and 779,875.90

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Solution

The fourth proportional to 1,424,455.88, 1,965,748.21 and 779,875.90 is: 1,076,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,455.88 : 1,965,748.21 = 779,875.90 : x
  2. Step 2: Convert to fraction form
    1,424,455.88/1,965,748.21 = 779,875.90/x
  3. Step 3: Cross multiply
    1,424,455.88x = 1,965,748.21 × 779,875.90
  4. Step 4: Simplify right side
    1,424,455.88x = 1,533,039,647,583.08
  5. Step 5: Solve for x
    x = 1,533,039,647,583.08/1,424,455.88
  6. Step 6: Final answer
    x = 1,076,228.25

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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.