Home / 1,424,461.19-1,965,756.51-779,881.43

Finding the Fourth Proportional to 1,424,461.19, 1,965,756.51 and 779,881.43

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Solution

The fourth proportional to 1,424,461.19, 1,965,756.51 and 779,881.43 is: 1,076,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,461.19 : 1,965,756.51 = 779,881.43 : x
  2. Step 2: Convert to fraction form
    1,424,461.19/1,965,756.51 = 779,881.43/x
  3. Step 3: Cross multiply
    1,424,461.19x = 1,965,756.51 × 779,881.43
  4. Step 4: Simplify right side
    1,424,461.19x = 1,533,057,002,965.00
  5. Step 5: Solve for x
    x = 1,533,057,002,965.00/1,424,461.19
  6. Step 6: Final answer
    x = 1,076,236.42

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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.