Home / 1,309,494.40-1,963,204.80-718,518.40

Finding the Fourth Proportional to 1,309,494.40, 1,963,204.80 and 718,518.40

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Solution

The fourth proportional to 1,309,494.40, 1,963,204.80 and 718,518.40 is: 1,077,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,494.40 : 1,963,204.80 = 718,518.40 : x
  2. Step 2: Convert to fraction form
    1,309,494.40/1,963,204.80 = 718,518.40/x
  3. Step 3: Cross multiply
    1,309,494.40x = 1,963,204.80 × 718,518.40
  4. Step 4: Simplify right side
    1,309,494.40x = 1,410,598,771,768.32
  5. Step 5: Solve for x
    x = 1,410,598,771,768.32/1,309,494.40
  6. Step 6: Final answer
    x = 1,077,208.71

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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.