Home / 1,283,974.20-1,925,956.74-385,412.04

Finding the Fourth Proportional to 1,283,974.20, 1,925,956.74 and 385,412.04

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Solution

The fourth proportional to 1,283,974.20, 1,925,956.74 and 385,412.04 is: 578,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,974.20 : 1,925,956.74 = 385,412.04 : x
  2. Step 2: Convert to fraction form
    1,283,974.20/1,925,956.74 = 385,412.04/x
  3. Step 3: Cross multiply
    1,283,974.20x = 1,925,956.74 × 385,412.04
  4. Step 4: Simplify right side
    1,283,974.20x = 742,286,916,115.15
  5. Step 5: Solve for x
    x = 742,286,916,115.15/1,283,974.20
  6. Step 6: Final answer
    x = 578,116.69

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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.