Home / 1,370,280.57-2,055,371.64-359,394.50

Finding the Fourth Proportional to 1,370,280.57, 2,055,371.64 and 359,394.50

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Solution

The fourth proportional to 1,370,280.57, 2,055,371.64 and 359,394.50 is: 539,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,280.57 : 2,055,371.64 = 359,394.50 : x
  2. Step 2: Convert to fraction form
    1,370,280.57/2,055,371.64 = 359,394.50/x
  3. Step 3: Cross multiply
    1,370,280.57x = 2,055,371.64 × 359,394.50
  4. Step 4: Simplify right side
    1,370,280.57x = 738,689,252,595.12
  5. Step 5: Solve for x
    x = 738,689,252,595.12/1,370,280.57
  6. Step 6: Final answer
    x = 539,078.83

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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.