Home / 1,316,072.80-1,975,030.80-843,906.40

Finding the Fourth Proportional to 1,316,072.80, 1,975,030.80 and 843,906.40

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Solution

The fourth proportional to 1,316,072.80, 1,975,030.80 and 843,906.40 is: 1,266,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,072.80 : 1,975,030.80 = 843,906.40 : x
  2. Step 2: Convert to fraction form
    1,316,072.80/1,975,030.80 = 843,906.40/x
  3. Step 3: Cross multiply
    1,316,072.80x = 1,975,030.80 × 843,906.40
  4. Step 4: Simplify right side
    1,316,072.80x = 1,666,741,132,317.12
  5. Step 5: Solve for x
    x = 1,666,741,132,317.12/1,316,072.80
  6. Step 6: Final answer
    x = 1,266,450.56

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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.