Home / 1,404,154-2,104,538.72-644,947.84

Finding the Fourth Proportional to 1,404,154, 2,104,538.72 and 644,947.84

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Solution

The fourth proportional to 1,404,154, 2,104,538.72 and 644,947.84 is: 966,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,154 : 2,104,538.72 = 644,947.84 : x
  2. Step 2: Convert to fraction form
    1,404,154/2,104,538.72 = 644,947.84/x
  3. Step 3: Cross multiply
    1,404,154x = 2,104,538.72 × 644,947.84
  4. Step 4: Simplify right side
    1,404,154x = 1,357,317,701,660.36
  5. Step 5: Solve for x
    x = 1,357,317,701,660.36/1,404,154
  6. Step 6: Final answer
    x = 966,644.47

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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.