Home / 1,313,812.30-1,971,010.05-603,669.10

Finding the Fourth Proportional to 1,313,812.30, 1,971,010.05 and 603,669.10

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Solution

The fourth proportional to 1,313,812.30, 1,971,010.05 and 603,669.10 is: 905,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,812.30 : 1,971,010.05 = 603,669.10 : x
  2. Step 2: Convert to fraction form
    1,313,812.30/1,971,010.05 = 603,669.10/x
  3. Step 3: Cross multiply
    1,313,812.30x = 1,971,010.05 × 603,669.10
  4. Step 4: Simplify right side
    1,313,812.30x = 1,189,837,862,974.46
  5. Step 5: Solve for x
    x = 1,189,837,862,974.46/1,313,812.30
  6. Step 6: Final answer
    x = 905,637.63

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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.