Home / 1,226,784.98-1,693,796.54-768,084.95

Finding the Fourth Proportional to 1,226,784.98, 1,693,796.54 and 768,084.95

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Solution

The fourth proportional to 1,226,784.98, 1,693,796.54 and 768,084.95 is: 1,060,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,784.98 : 1,693,796.54 = 768,084.95 : x
  2. Step 2: Convert to fraction form
    1,226,784.98/1,693,796.54 = 768,084.95/x
  3. Step 3: Cross multiply
    1,226,784.98x = 1,693,796.54 × 768,084.95
  4. Step 4: Simplify right side
    1,226,784.98x = 1,300,979,631,130.14
  5. Step 5: Solve for x
    x = 1,300,979,631,130.14/1,226,784.98
  6. Step 6: Final answer
    x = 1,060,478.93

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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.