Home / 1,379,478.60-2,069,305.37-432,886.68

Finding the Fourth Proportional to 1,379,478.60, 2,069,305.37 and 432,886.68

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Solution

The fourth proportional to 1,379,478.60, 2,069,305.37 and 432,886.68 is: 649,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,478.60 : 2,069,305.37 = 432,886.68 : x
  2. Step 2: Convert to fraction form
    1,379,478.60/2,069,305.37 = 432,886.68/x
  3. Step 3: Cross multiply
    1,379,478.60x = 2,069,305.37 × 432,886.68
  4. Step 4: Simplify right side
    1,379,478.60x = 895,774,731,525.47
  5. Step 5: Solve for x
    x = 895,774,731,525.47/1,379,478.60
  6. Step 6: Final answer
    x = 649,357.47

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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.