Home / 1,378,985.23-2,068,470.96-354,314.58

Finding the Fourth Proportional to 1,378,985.23, 2,068,470.96 and 354,314.58

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Solution

The fourth proportional to 1,378,985.23, 2,068,470.96 and 354,314.58 is: 531,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,985.23 : 2,068,470.96 = 354,314.58 : x
  2. Step 2: Convert to fraction form
    1,378,985.23/2,068,470.96 = 354,314.58/x
  3. Step 3: Cross multiply
    1,378,985.23x = 2,068,470.96 × 354,314.58
  4. Step 4: Simplify right side
    1,378,985.23x = 732,889,419,434.60
  5. Step 5: Solve for x
    x = 732,889,419,434.60/1,378,985.23
  6. Step 6: Final answer
    x = 531,470.10

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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.