Home / 1,283,951.52-1,926,247.68-385,409.88

Finding the Fourth Proportional to 1,283,951.52, 1,926,247.68 and 385,409.88

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Solution

The fourth proportional to 1,283,951.52, 1,926,247.68 and 385,409.88 is: 578,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,951.52 : 1,926,247.68 = 385,409.88 : x
  2. Step 2: Convert to fraction form
    1,283,951.52/1,926,247.68 = 385,409.88/x
  3. Step 3: Cross multiply
    1,283,951.52x = 1,926,247.68 × 385,409.88
  4. Step 4: Simplify right side
    1,283,951.52x = 742,394,887,199.08
  5. Step 5: Solve for x
    x = 742,394,887,199.08/1,283,951.52
  6. Step 6: Final answer
    x = 578,211.00

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