Home / 1,265,427.16-1,898,338.68-412,300.77

Finding the Fourth Proportional to 1,265,427.16, 1,898,338.68 and 412,300.77

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Solution

The fourth proportional to 1,265,427.16, 1,898,338.68 and 412,300.77 is: 618,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,427.16 : 1,898,338.68 = 412,300.77 : x
  2. Step 2: Convert to fraction form
    1,265,427.16/1,898,338.68 = 412,300.77/x
  3. Step 3: Cross multiply
    1,265,427.16x = 1,898,338.68 × 412,300.77
  4. Step 4: Simplify right side
    1,265,427.16x = 782,686,492,366.01
  5. Step 5: Solve for x
    x = 782,686,492,366.01/1,265,427.16
  6. Step 6: Final answer
    x = 618,515.64

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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.