Home / 1,323,523.72-1,826,624.88-779,631.40

Finding the Fourth Proportional to 1,323,523.72, 1,826,624.88 and 779,631.40

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Solution

The fourth proportional to 1,323,523.72, 1,826,624.88 and 779,631.40 is: 1,075,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,523.72 : 1,826,624.88 = 779,631.40 : x
  2. Step 2: Convert to fraction form
    1,323,523.72/1,826,624.88 = 779,631.40/x
  3. Step 3: Cross multiply
    1,323,523.72x = 1,826,624.88 × 779,631.40
  4. Step 4: Simplify right side
    1,323,523.72x = 1,424,094,112,469.23
  5. Step 5: Solve for x
    x = 1,424,094,112,469.23/1,323,523.72
  6. Step 6: Final answer
    x = 1,075,986.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.