Home / 1,235,269.80-1,849,794.30-812,255.40

Finding the Fourth Proportional to 1,235,269.80, 1,849,794.30 and 812,255.40

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Solution

The fourth proportional to 1,235,269.80, 1,849,794.30 and 812,255.40 is: 1,216,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,269.80 : 1,849,794.30 = 812,255.40 : x
  2. Step 2: Convert to fraction form
    1,235,269.80/1,849,794.30 = 812,255.40/x
  3. Step 3: Cross multiply
    1,235,269.80x = 1,849,794.30 × 812,255.40
  4. Step 4: Simplify right side
    1,235,269.80x = 1,502,505,409,064.22
  5. Step 5: Solve for x
    x = 1,502,505,409,064.22/1,235,269.80
  6. Step 6: Final answer
    x = 1,216,337.85

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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.