Home / 1,545,566.23-2,133,012.88-857,459.82

Finding the Fourth Proportional to 1,545,566.23, 2,133,012.88 and 857,459.82

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Solution

The fourth proportional to 1,545,566.23, 2,133,012.88 and 857,459.82 is: 1,183,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,566.23 : 2,133,012.88 = 857,459.82 : x
  2. Step 2: Convert to fraction form
    1,545,566.23/2,133,012.88 = 857,459.82/x
  3. Step 3: Cross multiply
    1,545,566.23x = 2,133,012.88 × 857,459.82
  4. Step 4: Simplify right side
    1,545,566.23x = 1,828,972,848,007.34
  5. Step 5: Solve for x
    x = 1,828,972,848,007.34/1,545,566.23
  6. Step 6: Final answer
    x = 1,183,367.50

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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.