Home / 1,330,681.50-1,836,340.47-727,069.50

Finding the Fourth Proportional to 1,330,681.50, 1,836,340.47 and 727,069.50

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Solution

The fourth proportional to 1,330,681.50, 1,836,340.47 and 727,069.50 is: 1,003,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,681.50 : 1,836,340.47 = 727,069.50 : x
  2. Step 2: Convert to fraction form
    1,330,681.50/1,836,340.47 = 727,069.50/x
  3. Step 3: Cross multiply
    1,330,681.50x = 1,836,340.47 × 727,069.50
  4. Step 4: Simplify right side
    1,330,681.50x = 1,335,147,147,352.67
  5. Step 5: Solve for x
    x = 1,335,147,147,352.67/1,330,681.50
  6. Step 6: Final answer
    x = 1,003,355.91

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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.