Home / 1,296,246.40-1,944,369.60-666,390.40

Finding the Fourth Proportional to 1,296,246.40, 1,944,369.60 and 666,390.40

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Solution

The fourth proportional to 1,296,246.40, 1,944,369.60 and 666,390.40 is: 999,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,246.40 : 1,944,369.60 = 666,390.40 : x
  2. Step 2: Convert to fraction form
    1,296,246.40/1,944,369.60 = 666,390.40/x
  3. Step 3: Cross multiply
    1,296,246.40x = 1,944,369.60 × 666,390.40
  4. Step 4: Simplify right side
    1,296,246.40x = 1,295,709,235,491.84
  5. Step 5: Solve for x
    x = 1,295,709,235,491.84/1,296,246.40
  6. Step 6: Final answer
    x = 999,585.60

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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.