Home / 1,626,908.57-2,439,871.37-489,368.71

Finding the Fourth Proportional to 1,626,908.57, 2,439,871.37 and 489,368.71

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Solution

The fourth proportional to 1,626,908.57, 2,439,871.37 and 489,368.71 is: 733,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,908.57 : 2,439,871.37 = 489,368.71 : x
  2. Step 2: Convert to fraction form
    1,626,908.57/2,439,871.37 = 489,368.71/x
  3. Step 3: Cross multiply
    1,626,908.57x = 2,439,871.37 × 489,368.71
  4. Step 4: Simplify right side
    1,626,908.57x = 1,193,996,690,256.63
  5. Step 5: Solve for x
    x = 1,193,996,690,256.63/1,626,908.57
  6. Step 6: Final answer
    x = 733,905.22

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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.