Home / 1,216,901.80-1,825,352.70-744,509.80

Finding the Fourth Proportional to 1,216,901.80, 1,825,352.70 and 744,509.80

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Solution

The fourth proportional to 1,216,901.80, 1,825,352.70 and 744,509.80 is: 1,116,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,901.80 : 1,825,352.70 = 744,509.80 : x
  2. Step 2: Convert to fraction form
    1,216,901.80/1,825,352.70 = 744,509.80/x
  3. Step 3: Cross multiply
    1,216,901.80x = 1,825,352.70 × 744,509.80
  4. Step 4: Simplify right side
    1,216,901.80x = 1,358,992,973,606.46
  5. Step 5: Solve for x
    x = 1,358,992,973,606.46/1,216,901.80
  6. Step 6: Final answer
    x = 1,116,764.70

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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.