Home / 1,825,200.08-2,735,869.49-687,470

Finding the Fourth Proportional to 1,825,200.08, 2,735,869.49 and 687,470

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Solution

The fourth proportional to 1,825,200.08, 2,735,869.49 and 687,470 is: 1,030,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,200.08 : 2,735,869.49 = 687,470 : x
  2. Step 2: Convert to fraction form
    1,825,200.08/2,735,869.49 = 687,470/x
  3. Step 3: Cross multiply
    1,825,200.08x = 2,735,869.49 × 687,470
  4. Step 4: Simplify right side
    1,825,200.08x = 1,880,828,198,290.30
  5. Step 5: Solve for x
    x = 1,880,828,198,290.30/1,825,200.08
  6. Step 6: Final answer
    x = 1,030,477.82

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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.