Home / 1,192,312.48-1,644,266.48-783,692.32

Finding the Fourth Proportional to 1,192,312.48, 1,644,266.48 and 783,692.32

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Solution

The fourth proportional to 1,192,312.48, 1,644,266.48 and 783,692.32 is: 1,080,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,312.48 : 1,644,266.48 = 783,692.32 : x
  2. Step 2: Convert to fraction form
    1,192,312.48/1,644,266.48 = 783,692.32/x
  3. Step 3: Cross multiply
    1,192,312.48x = 1,644,266.48 × 783,692.32
  4. Step 4: Simplify right side
    1,192,312.48x = 1,288,599,012,409.43
  5. Step 5: Solve for x
    x = 1,288,599,012,409.43/1,192,312.48
  6. Step 6: Final answer
    x = 1,080,756.12

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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.