Home / 1,641,385.28-2,462,075.62-912,371.92

Finding the Fourth Proportional to 1,641,385.28, 2,462,075.62 and 912,371.92

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Solution

The fourth proportional to 1,641,385.28, 2,462,075.62 and 912,371.92 is: 1,368,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,385.28 : 2,462,075.62 = 912,371.92 : x
  2. Step 2: Convert to fraction form
    1,641,385.28/2,462,075.62 = 912,371.92/x
  3. Step 3: Cross multiply
    1,641,385.28x = 2,462,075.62 × 912,371.92
  4. Step 4: Simplify right side
    1,641,385.28x = 2,246,328,660,604.59
  5. Step 5: Solve for x
    x = 2,246,328,660,604.59/1,641,385.28
  6. Step 6: Final answer
    x = 1,368,556.60

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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.