Home / 1,365,491.39-2,048,054.76-405,928.98

Finding the Fourth Proportional to 1,365,491.39, 2,048,054.76 and 405,928.98

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Solution

The fourth proportional to 1,365,491.39, 2,048,054.76 and 405,928.98 is: 608,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,491.39 : 2,048,054.76 = 405,928.98 : x
  2. Step 2: Convert to fraction form
    1,365,491.39/2,048,054.76 = 405,928.98/x
  3. Step 3: Cross multiply
    1,365,491.39x = 2,048,054.76 × 405,928.98
  4. Step 4: Simplify right side
    1,365,491.39x = 831,364,779,710.95
  5. Step 5: Solve for x
    x = 831,364,779,710.95/1,365,491.39
  6. Step 6: Final answer
    x = 608,839.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.