Home / 1,845,282.72-2,769,017.20-780,266.40

Finding the Fourth Proportional to 1,845,282.72, 2,769,017.20 and 780,266.40

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Solution

The fourth proportional to 1,845,282.72, 2,769,017.20 and 780,266.40 is: 1,170,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,282.72 : 2,769,017.20 = 780,266.40 : x
  2. Step 2: Convert to fraction form
    1,845,282.72/2,769,017.20 = 780,266.40/x
  3. Step 3: Cross multiply
    1,845,282.72x = 2,769,017.20 × 780,266.40
  4. Step 4: Simplify right side
    1,845,282.72x = 2,160,571,082,182.08
  5. Step 5: Solve for x
    x = 2,160,571,082,182.08/1,845,282.72
  6. Step 6: Final answer
    x = 1,170,861.82

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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.