Home / 1,401,946.38-1,935,331.83-821,088.90

Finding the Fourth Proportional to 1,401,946.38, 1,935,331.83 and 821,088.90

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Solution

The fourth proportional to 1,401,946.38, 1,935,331.83 and 821,088.90 is: 1,133,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,946.38 : 1,935,331.83 = 821,088.90 : x
  2. Step 2: Convert to fraction form
    1,401,946.38/1,935,331.83 = 821,088.90/x
  3. Step 3: Cross multiply
    1,401,946.38x = 1,935,331.83 × 821,088.90
  4. Step 4: Simplify right side
    1,401,946.38x = 1,589,079,483,429.69
  5. Step 5: Solve for x
    x = 1,589,079,483,429.69/1,401,946.38
  6. Step 6: Final answer
    x = 1,133,480.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.