Home / 1,386,048.55-2,079,072.83-851,837.35

Finding the Fourth Proportional to 1,386,048.55, 2,079,072.83 and 851,837.35

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Solution

The fourth proportional to 1,386,048.55, 2,079,072.83 and 851,837.35 is: 1,277,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,048.55 : 2,079,072.83 = 851,837.35 : x
  2. Step 2: Convert to fraction form
    1,386,048.55/2,079,072.83 = 851,837.35/x
  3. Step 3: Cross multiply
    1,386,048.55x = 2,079,072.83 × 851,837.35
  4. Step 4: Simplify right side
    1,386,048.55x = 1,771,031,885,705.01
  5. Step 5: Solve for x
    x = 1,771,031,885,705.01/1,386,048.55
  6. Step 6: Final answer
    x = 1,277,756.03

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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.