Home / 1,296,364.40-1,944,533.80-409,900.40

Finding the Fourth Proportional to 1,296,364.40, 1,944,533.80 and 409,900.40

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Solution

The fourth proportional to 1,296,364.40, 1,944,533.80 and 409,900.40 is: 614,846.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,364.40 : 1,944,533.80 = 409,900.40 : x
  2. Step 2: Convert to fraction form
    1,296,364.40/1,944,533.80 = 409,900.40/x
  3. Step 3: Cross multiply
    1,296,364.40x = 1,944,533.80 × 409,900.40
  4. Step 4: Simplify right side
    1,296,364.40x = 797,065,182,433.52
  5. Step 5: Solve for x
    x = 797,065,182,433.52/1,296,364.40
  6. Step 6: Final answer
    x = 614,846.55

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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.