Home / 1,127,326.05-1,689,087.20-557,947.89

Finding the Fourth Proportional to 1,127,326.05, 1,689,087.20 and 557,947.89

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Solution

The fourth proportional to 1,127,326.05, 1,689,087.20 and 557,947.89 is: 835,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,326.05 : 1,689,087.20 = 557,947.89 : x
  2. Step 2: Convert to fraction form
    1,127,326.05/1,689,087.20 = 557,947.89/x
  3. Step 3: Cross multiply
    1,127,326.05x = 1,689,087.20 × 557,947.89
  4. Step 4: Simplify right side
    1,127,326.05x = 942,422,636,476.27
  5. Step 5: Solve for x
    x = 942,422,636,476.27/1,127,326.05
  6. Step 6: Final answer
    x = 835,980.54

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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.