Home / 1,778,283.08-2,667,543.31-625,391.29

Finding the Fourth Proportional to 1,778,283.08, 2,667,543.31 and 625,391.29

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Solution

The fourth proportional to 1,778,283.08, 2,667,543.31 and 625,391.29 is: 938,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,283.08 : 2,667,543.31 = 625,391.29 : x
  2. Step 2: Convert to fraction form
    1,778,283.08/2,667,543.31 = 625,391.29/x
  3. Step 3: Cross multiply
    1,778,283.08x = 2,667,543.31 × 625,391.29
  4. Step 4: Simplify right side
    1,778,283.08x = 1,668,258,351,771.77
  5. Step 5: Solve for x
    x = 1,668,258,351,771.77/1,778,283.08
  6. Step 6: Final answer
    x = 938,128.68

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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.