Home / 1,309,506.40-1,963,222.80-718,530.40

Finding the Fourth Proportional to 1,309,506.40, 1,963,222.80 and 718,530.40

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Solution

The fourth proportional to 1,309,506.40, 1,963,222.80 and 718,530.40 is: 1,077,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,506.40 : 1,963,222.80 = 718,530.40 : x
  2. Step 2: Convert to fraction form
    1,309,506.40/1,963,222.80 = 718,530.40/x
  3. Step 3: Cross multiply
    1,309,506.40x = 1,963,222.80 × 718,530.40
  4. Step 4: Simplify right side
    1,309,506.40x = 1,410,635,263,773.12
  5. Step 5: Solve for x
    x = 1,410,635,263,773.12/1,309,506.40
  6. Step 6: Final answer
    x = 1,077,226.70

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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.