Home / 1,048,762.34-1,447,403.04-641,102.78

Finding the Fourth Proportional to 1,048,762.34, 1,447,403.04 and 641,102.78

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Solution

The fourth proportional to 1,048,762.34, 1,447,403.04 and 641,102.78 is: 884,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,762.34 : 1,447,403.04 = 641,102.78 : x
  2. Step 2: Convert to fraction form
    1,048,762.34/1,447,403.04 = 641,102.78/x
  3. Step 3: Cross multiply
    1,048,762.34x = 1,447,403.04 × 641,102.78
  4. Step 4: Simplify right side
    1,048,762.34x = 927,934,112,724.45
  5. Step 5: Solve for x
    x = 927,934,112,724.45/1,048,762.34
  6. Step 6: Final answer
    x = 884,789.70

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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.