Home / 1,004,678.44-1,386,450.70-545,789.34

Finding the Fourth Proportional to 1,004,678.44, 1,386,450.70 and 545,789.34

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Solution

The fourth proportional to 1,004,678.44, 1,386,450.70 and 545,789.34 is: 753,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,678.44 : 1,386,450.70 = 545,789.34 : x
  2. Step 2: Convert to fraction form
    1,004,678.44/1,386,450.70 = 545,789.34/x
  3. Step 3: Cross multiply
    1,004,678.44x = 1,386,450.70 × 545,789.34
  4. Step 4: Simplify right side
    1,004,678.44x = 756,710,010,393.89
  5. Step 5: Solve for x
    x = 756,710,010,393.89/1,004,678.44
  6. Step 6: Final answer
    x = 753,186.28

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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.