Home / 1,554,212.80-2,331,319.20-432,281.80

Finding the Fourth Proportional to 1,554,212.80, 2,331,319.20 and 432,281.80

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Solution

The fourth proportional to 1,554,212.80, 2,331,319.20 and 432,281.80 is: 648,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,212.80 : 2,331,319.20 = 432,281.80 : x
  2. Step 2: Convert to fraction form
    1,554,212.80/2,331,319.20 = 432,281.80/x
  3. Step 3: Cross multiply
    1,554,212.80x = 2,331,319.20 × 432,281.80
  4. Step 4: Simplify right side
    1,554,212.80x = 1,007,786,860,150.56
  5. Step 5: Solve for x
    x = 1,007,786,860,150.56/1,554,212.80
  6. Step 6: Final answer
    x = 648,422.70

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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.