Home / 1,556,488.08-2,148,287.52-983,163.60

Finding the Fourth Proportional to 1,556,488.08, 2,148,287.52 and 983,163.60

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Solution

The fourth proportional to 1,556,488.08, 2,148,287.52 and 983,163.60 is: 1,356,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,488.08 : 2,148,287.52 = 983,163.60 : x
  2. Step 2: Convert to fraction form
    1,556,488.08/2,148,287.52 = 983,163.60/x
  3. Step 3: Cross multiply
    1,556,488.08x = 2,148,287.52 × 983,163.60
  4. Step 4: Simplify right side
    1,556,488.08x = 2,112,118,091,998.27
  5. Step 5: Solve for x
    x = 2,112,118,091,998.27/1,556,488.08
  6. Step 6: Final answer
    x = 1,356,976.72

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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.