Home / 1,249,865.76-1,874,895.84-408,502.56

Finding the Fourth Proportional to 1,249,865.76, 1,874,895.84 and 408,502.56

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Solution

The fourth proportional to 1,249,865.76, 1,874,895.84 and 408,502.56 is: 612,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,865.76 : 1,874,895.84 = 408,502.56 : x
  2. Step 2: Convert to fraction form
    1,249,865.76/1,874,895.84 = 408,502.56/x
  3. Step 3: Cross multiply
    1,249,865.76x = 1,874,895.84 × 408,502.56
  4. Step 4: Simplify right side
    1,249,865.76x = 765,899,738,956.36
  5. Step 5: Solve for x
    x = 765,899,738,956.36/1,249,865.76
  6. Step 6: Final answer
    x = 612,785.60

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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.