Home / 1,424,461.34-1,965,755.70-779,881.36

Finding the Fourth Proportional to 1,424,461.34, 1,965,755.70 and 779,881.36

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Solution

The fourth proportional to 1,424,461.34, 1,965,755.70 and 779,881.36 is: 1,076,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,461.34 : 1,965,755.70 = 779,881.36 : x
  2. Step 2: Convert to fraction form
    1,424,461.34/1,965,755.70 = 779,881.36/x
  3. Step 3: Cross multiply
    1,424,461.34x = 1,965,755.70 × 779,881.36
  4. Step 4: Simplify right side
    1,424,461.34x = 1,533,056,223,829.36
  5. Step 5: Solve for x
    x = 1,533,056,223,829.36/1,424,461.34
  6. Step 6: Final answer
    x = 1,076,235.76

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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.