Home / 1,424,384.56-1,965,591.48-779,788.72

Finding the Fourth Proportional to 1,424,384.56, 1,965,591.48 and 779,788.72

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Solution

The fourth proportional to 1,424,384.56, 1,965,591.48 and 779,788.72 is: 1,076,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,384.56 : 1,965,591.48 = 779,788.72 : x
  2. Step 2: Convert to fraction form
    1,424,384.56/1,965,591.48 = 779,788.72/x
  3. Step 3: Cross multiply
    1,424,384.56x = 1,965,591.48 × 779,788.72
  4. Step 4: Simplify right side
    1,424,384.56x = 1,532,746,064,232.11
  5. Step 5: Solve for x
    x = 1,532,746,064,232.11/1,424,384.56
  6. Step 6: Final answer
    x = 1,076,076.02

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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.