Home / 1,042,208.70-1,437,105.89-678,958.93

Finding the Fourth Proportional to 1,042,208.70, 1,437,105.89 and 678,958.93

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Solution

The fourth proportional to 1,042,208.70, 1,437,105.89 and 678,958.93 is: 936,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,208.70 : 1,437,105.89 = 678,958.93 : x
  2. Step 2: Convert to fraction form
    1,042,208.70/1,437,105.89 = 678,958.93/x
  3. Step 3: Cross multiply
    1,042,208.70x = 1,437,105.89 × 678,958.93
  4. Step 4: Simplify right side
    1,042,208.70x = 975,735,877,371.10
  5. Step 5: Solve for x
    x = 975,735,877,371.10/1,042,208.70
  6. Step 6: Final answer
    x = 936,219.28

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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.