Home / 1,347,424.40-2,021,136.60-922,271.60

Finding the Fourth Proportional to 1,347,424.40, 2,021,136.60 and 922,271.60

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Solution

The fourth proportional to 1,347,424.40, 2,021,136.60 and 922,271.60 is: 1,383,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,424.40 : 2,021,136.60 = 922,271.60 : x
  2. Step 2: Convert to fraction form
    1,347,424.40/2,021,136.60 = 922,271.60/x
  3. Step 3: Cross multiply
    1,347,424.40x = 2,021,136.60 × 922,271.60
  4. Step 4: Simplify right side
    1,347,424.40x = 1,864,036,885,900.56
  5. Step 5: Solve for x
    x = 1,864,036,885,900.56/1,347,424.40
  6. Step 6: Final answer
    x = 1,383,407.40

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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.