Home / 1,425,768.41-2,137,952.78-705,277.67

Finding the Fourth Proportional to 1,425,768.41, 2,137,952.78 and 705,277.67

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Solution

The fourth proportional to 1,425,768.41, 2,137,952.78 and 705,277.67 is: 1,057,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,768.41 : 2,137,952.78 = 705,277.67 : x
  2. Step 2: Convert to fraction form
    1,425,768.41/2,137,952.78 = 705,277.67/x
  3. Step 3: Cross multiply
    1,425,768.41x = 2,137,952.78 × 705,277.67
  4. Step 4: Simplify right side
    1,425,768.41x = 1,507,850,343,677.06
  5. Step 5: Solve for x
    x = 1,507,850,343,677.06/1,425,768.41
  6. Step 6: Final answer
    x = 1,057,570.31

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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.