Home / 1,240,870.75-1,862,881.05-1,055,063.23

Finding the Fourth Proportional to 1,240,870.75, 1,862,881.05 and 1,055,063.23

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Solution

The fourth proportional to 1,240,870.75, 1,862,881.05 and 1,055,063.23 is: 1,583,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,870.75 : 1,862,881.05 = 1,055,063.23 : x
  2. Step 2: Convert to fraction form
    1,240,870.75/1,862,881.05 = 1,055,063.23/x
  3. Step 3: Cross multiply
    1,240,870.75x = 1,862,881.05 × 1,055,063.23
  4. Step 4: Simplify right side
    1,240,870.75x = 1,965,457,297,718.79
  5. Step 5: Solve for x
    x = 1,965,457,297,718.79/1,240,870.75
  6. Step 6: Final answer
    x = 1,583,933.94

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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.