Home / 1,215,817.65-1,823,727.92-317,258.73

Finding the Fourth Proportional to 1,215,817.65, 1,823,727.92 and 317,258.73

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Solution

The fourth proportional to 1,215,817.65, 1,823,727.92 and 317,258.73 is: 475,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,817.65 : 1,823,727.92 = 317,258.73 : x
  2. Step 2: Convert to fraction form
    1,215,817.65/1,823,727.92 = 317,258.73/x
  3. Step 3: Cross multiply
    1,215,817.65x = 1,823,727.92 × 317,258.73
  4. Step 4: Simplify right side
    1,215,817.65x = 578,593,602,178.45
  5. Step 5: Solve for x
    x = 578,593,602,178.45/1,215,817.65
  6. Step 6: Final answer
    x = 475,888.47

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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.