Home / 1,569,321.80-2,353,982.70-432,081.80

Finding the Fourth Proportional to 1,569,321.80, 2,353,982.70 and 432,081.80

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Solution

The fourth proportional to 1,569,321.80, 2,353,982.70 and 432,081.80 is: 648,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,321.80 : 2,353,982.70 = 432,081.80 : x
  2. Step 2: Convert to fraction form
    1,569,321.80/2,353,982.70 = 432,081.80/x
  3. Step 3: Cross multiply
    1,569,321.80x = 2,353,982.70 × 432,081.80
  4. Step 4: Simplify right side
    1,569,321.80x = 1,017,113,082,184.86
  5. Step 5: Solve for x
    x = 1,017,113,082,184.86/1,569,321.80
  6. Step 6: Final answer
    x = 648,122.70

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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.