Home / 1,434,914.94-1,980,272.34-790,334.94

Finding the Fourth Proportional to 1,434,914.94, 1,980,272.34 and 790,334.94

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Solution

The fourth proportional to 1,434,914.94, 1,980,272.34 and 790,334.94 is: 1,090,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,914.94 : 1,980,272.34 = 790,334.94 : x
  2. Step 2: Convert to fraction form
    1,434,914.94/1,980,272.34 = 790,334.94/x
  3. Step 3: Cross multiply
    1,434,914.94x = 1,980,272.34 × 790,334.94
  4. Step 4: Simplify right side
    1,434,914.94x = 1,565,078,421,017.56
  5. Step 5: Solve for x
    x = 1,565,078,421,017.56/1,434,914.94
  6. Step 6: Final answer
    x = 1,090,711.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.