Home / 1,048,821.13-1,447,484.27-641,161.63

Finding the Fourth Proportional to 1,048,821.13, 1,447,484.27 and 641,161.63

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Solution

The fourth proportional to 1,048,821.13, 1,447,484.27 and 641,161.63 is: 884,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,821.13 : 1,447,484.27 = 641,161.63 : x
  2. Step 2: Convert to fraction form
    1,048,821.13/1,447,484.27 = 641,161.63/x
  3. Step 3: Cross multiply
    1,048,821.13x = 1,447,484.27 × 641,161.63
  4. Step 4: Simplify right side
    1,048,821.13x = 928,071,373,952.56
  5. Step 5: Solve for x
    x = 928,071,373,952.56/1,048,821.13
  6. Step 6: Final answer
    x = 884,870.97

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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.