Home / 1,252,955.79-1,879,433.69-306,315.27

Finding the Fourth Proportional to 1,252,955.79, 1,879,433.69 and 306,315.27

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Solution

The fourth proportional to 1,252,955.79, 1,879,433.69 and 306,315.27 is: 459,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,955.79 : 1,879,433.69 = 306,315.27 : x
  2. Step 2: Convert to fraction form
    1,252,955.79/1,879,433.69 = 306,315.27/x
  3. Step 3: Cross multiply
    1,252,955.79x = 1,879,433.69 × 306,315.27
  4. Step 4: Simplify right side
    1,252,955.79x = 575,699,236,667.87
  5. Step 5: Solve for x
    x = 575,699,236,667.87/1,252,955.79
  6. Step 6: Final answer
    x = 459,472.91

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1.5x scale

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.