Home / 1,290,020.30-1,935,264.01-531,440.22

Finding the Fourth Proportional to 1,290,020.30, 1,935,264.01 and 531,440.22

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Solution

The fourth proportional to 1,290,020.30, 1,935,264.01 and 531,440.22 is: 797,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,020.30 : 1,935,264.01 = 531,440.22 : x
  2. Step 2: Convert to fraction form
    1,290,020.30/1,935,264.01 = 531,440.22/x
  3. Step 3: Cross multiply
    1,290,020.30x = 1,935,264.01 × 531,440.22
  4. Step 4: Simplify right side
    1,290,020.30x = 1,028,477,131,232.48
  5. Step 5: Solve for x
    x = 1,028,477,131,232.48/1,290,020.30
  6. Step 6: Final answer
    x = 797,256.55

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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.