Home / 1,434,928.22-1,980,179.43-790,349.66

Finding the Fourth Proportional to 1,434,928.22, 1,980,179.43 and 790,349.66

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Solution

The fourth proportional to 1,434,928.22, 1,980,179.43 and 790,349.66 is: 1,090,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,928.22 : 1,980,179.43 = 790,349.66 : x
  2. Step 2: Convert to fraction form
    1,434,928.22/1,980,179.43 = 790,349.66/x
  3. Step 3: Cross multiply
    1,434,928.22x = 1,980,179.43 × 790,349.66
  4. Step 4: Simplify right side
    1,434,928.22x = 1,565,034,139,239.49
  5. Step 5: Solve for x
    x = 1,565,034,139,239.49/1,434,928.22
  6. Step 6: Final answer
    x = 1,090,670.68

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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.