Home / 1,302,428.85-1,952,600.11-618,972.68

Finding the Fourth Proportional to 1,302,428.85, 1,952,600.11 and 618,972.68

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Solution

The fourth proportional to 1,302,428.85, 1,952,600.11 and 618,972.68 is: 927,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,428.85 : 1,952,600.11 = 618,972.68 : x
  2. Step 2: Convert to fraction form
    1,302,428.85/1,952,600.11 = 618,972.68/x
  3. Step 3: Cross multiply
    1,302,428.85x = 1,952,600.11 × 618,972.68
  4. Step 4: Simplify right side
    1,302,428.85x = 1,208,606,126,389.06
  5. Step 5: Solve for x
    x = 1,208,606,126,389.06/1,302,428.85
  6. Step 6: Final answer
    x = 927,963.27

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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.