Home / 1,296,257.40-1,941,275.70-630,631.80

Finding the Fourth Proportional to 1,296,257.40, 1,941,275.70 and 630,631.80

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Solution

The fourth proportional to 1,296,257.40, 1,941,275.70 and 630,631.80 is: 944,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,257.40 : 1,941,275.70 = 630,631.80 : x
  2. Step 2: Convert to fraction form
    1,296,257.40/1,941,275.70 = 630,631.80/x
  3. Step 3: Cross multiply
    1,296,257.40x = 1,941,275.70 × 630,631.80
  4. Step 4: Simplify right side
    1,296,257.40x = 1,224,230,188,987.26
  5. Step 5: Solve for x
    x = 1,224,230,188,987.26/1,296,257.40
  6. Step 6: Final answer
    x = 944,434.48

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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.