Home / 1,231,953.02-1,845,351.78-990,763.17

Finding the Fourth Proportional to 1,231,953.02, 1,845,351.78 and 990,763.17

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Solution

The fourth proportional to 1,231,953.02, 1,845,351.78 and 990,763.17 is: 1,484,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,953.02 : 1,845,351.78 = 990,763.17 : x
  2. Step 2: Convert to fraction form
    1,231,953.02/1,845,351.78 = 990,763.17/x
  3. Step 3: Cross multiply
    1,231,953.02x = 1,845,351.78 × 990,763.17
  4. Step 4: Simplify right side
    1,231,953.02x = 1,828,306,574,704.56
  5. Step 5: Solve for x
    x = 1,828,306,574,704.56/1,231,953.02
  6. Step 6: Final answer
    x = 1,484,071.67

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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.