Home / 1,210,527.20-1,811,125.20-790,623.20

Finding the Fourth Proportional to 1,210,527.20, 1,811,125.20 and 790,623.20

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Solution

The fourth proportional to 1,210,527.20, 1,811,125.20 and 790,623.20 is: 1,182,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,527.20 : 1,811,125.20 = 790,623.20 : x
  2. Step 2: Convert to fraction form
    1,210,527.20/1,811,125.20 = 790,623.20/x
  3. Step 3: Cross multiply
    1,210,527.20x = 1,811,125.20 × 790,623.20
  4. Step 4: Simplify right side
    1,210,527.20x = 1,431,917,601,224.64
  5. Step 5: Solve for x
    x = 1,431,917,601,224.64/1,210,527.20
  6. Step 6: Final answer
    x = 1,182,887.59

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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.