Home / 1,359,430.85-2,039,013.83-412,809.77

Finding the Fourth Proportional to 1,359,430.85, 2,039,013.83 and 412,809.77

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Solution

The fourth proportional to 1,359,430.85, 2,039,013.83 and 412,809.77 is: 619,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,430.85 : 2,039,013.83 = 412,809.77 : x
  2. Step 2: Convert to fraction form
    1,359,430.85/2,039,013.83 = 412,809.77/x
  3. Step 3: Cross multiply
    1,359,430.85x = 2,039,013.83 × 412,809.77
  4. Step 4: Simplify right side
    1,359,430.85x = 841,724,821,026.07
  5. Step 5: Solve for x
    x = 841,724,821,026.07/1,359,430.85
  6. Step 6: Final answer
    x = 619,174.43

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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.