Home / 1,245,702.42-1,868,553.30-712,846.77

Finding the Fourth Proportional to 1,245,702.42, 1,868,553.30 and 712,846.77

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Solution

The fourth proportional to 1,245,702.42, 1,868,553.30 and 712,846.77 is: 1,069,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,702.42 : 1,868,553.30 = 712,846.77 : x
  2. Step 2: Convert to fraction form
    1,245,702.42/1,868,553.30 = 712,846.77/x
  3. Step 3: Cross multiply
    1,245,702.42x = 1,868,553.30 × 712,846.77
  4. Step 4: Simplify right side
    1,245,702.42x = 1,331,992,184,477.84
  5. Step 5: Solve for x
    x = 1,331,992,184,477.84/1,245,702.42
  6. Step 6: Final answer
    x = 1,069,269.97

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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.