Home / 1,378,768.03-2,070,089.66-705,332.41

Finding the Fourth Proportional to 1,378,768.03, 2,070,089.66 and 705,332.41

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Solution

The fourth proportional to 1,378,768.03, 2,070,089.66 and 705,332.41 is: 1,058,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,768.03 : 2,070,089.66 = 705,332.41 : x
  2. Step 2: Convert to fraction form
    1,378,768.03/2,070,089.66 = 705,332.41/x
  3. Step 3: Cross multiply
    1,378,768.03x = 2,070,089.66 × 705,332.41
  4. Step 4: Simplify right side
    1,378,768.03x = 1,460,101,325,391.99
  5. Step 5: Solve for x
    x = 1,460,101,325,391.99/1,378,768.03
  6. Step 6: Final answer
    x = 1,058,989.83

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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.