Home / 1,283,950.74-1,925,921.46-385,388.58

Finding the Fourth Proportional to 1,283,950.74, 1,925,921.46 and 385,388.58

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Solution

The fourth proportional to 1,283,950.74, 1,925,921.46 and 385,388.58 is: 578,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,950.74 : 1,925,921.46 = 385,388.58 : x
  2. Step 2: Convert to fraction form
    1,283,950.74/1,925,921.46 = 385,388.58/x
  3. Step 3: Cross multiply
    1,283,950.74x = 1,925,921.46 × 385,388.58
  4. Step 4: Simplify right side
    1,283,950.74x = 742,228,136,660.93
  5. Step 5: Solve for x
    x = 742,228,136,660.93/1,283,950.74
  6. Step 6: Final answer
    x = 578,081.47

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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.