Home / 1,825,207.61-2,735,880.75-687,477.51

Finding the Fourth Proportional to 1,825,207.61, 2,735,880.75 and 687,477.51

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Solution

The fourth proportional to 1,825,207.61, 2,735,880.75 and 687,477.51 is: 1,030,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,207.61 : 2,735,880.75 = 687,477.51 : x
  2. Step 2: Convert to fraction form
    1,825,207.61/2,735,880.75 = 687,477.51/x
  3. Step 3: Cross multiply
    1,825,207.61x = 2,735,880.75 × 687,477.51
  4. Step 4: Simplify right side
    1,825,207.61x = 1,880,856,485,666.93
  5. Step 5: Solve for x
    x = 1,880,856,485,666.93/1,825,207.61
  6. Step 6: Final answer
    x = 1,030,489.07

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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.