Home / 1,009,415.35-1,393,459.67-622,299.95

Finding the Fourth Proportional to 1,009,415.35, 1,393,459.67 and 622,299.95

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Solution

The fourth proportional to 1,009,415.35, 1,393,459.67 and 622,299.95 is: 859,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,415.35 : 1,393,459.67 = 622,299.95 : x
  2. Step 2: Convert to fraction form
    1,009,415.35/1,393,459.67 = 622,299.95/x
  3. Step 3: Cross multiply
    1,009,415.35x = 1,393,459.67 × 622,299.95
  4. Step 4: Simplify right side
    1,009,415.35x = 867,149,882,968.02
  5. Step 5: Solve for x
    x = 867,149,882,968.02/1,009,415.35
  6. Step 6: Final answer
    x = 859,061.52

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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.