Home / 1,424,779.40-2,133,021.90-1,383,307.40

Finding the Fourth Proportional to 1,424,779.40, 2,133,021.90 and 1,383,307.40

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Solution

The fourth proportional to 1,424,779.40, 2,133,021.90 and 1,383,307.40 is: 2,070,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,779.40 : 2,133,021.90 = 1,383,307.40 : x
  2. Step 2: Convert to fraction form
    1,424,779.40/2,133,021.90 = 1,383,307.40/x
  3. Step 3: Cross multiply
    1,424,779.40x = 2,133,021.90 × 1,383,307.40
  4. Step 4: Simplify right side
    1,424,779.40x = 2,950,624,978,632.06
  5. Step 5: Solve for x
    x = 2,950,624,978,632.06/1,424,779.40
  6. Step 6: Final answer
    x = 2,070,934.62

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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.