Home / 1,316,271.38-1,974,407.06-318,999.38

Finding the Fourth Proportional to 1,316,271.38, 1,974,407.06 and 318,999.38

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Solution

The fourth proportional to 1,316,271.38, 1,974,407.06 and 318,999.38 is: 478,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,271.38 : 1,974,407.06 = 318,999.38 : x
  2. Step 2: Convert to fraction form
    1,316,271.38/1,974,407.06 = 318,999.38/x
  3. Step 3: Cross multiply
    1,316,271.38x = 1,974,407.06 × 318,999.38
  4. Step 4: Simplify right side
    1,316,271.38x = 629,834,618,933.09
  5. Step 5: Solve for x
    x = 629,834,618,933.09/1,316,271.38
  6. Step 6: Final answer
    x = 478,499.06

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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.