Home / 1,491,748.80-2,237,623.20-426,854.40

Finding the Fourth Proportional to 1,491,748.80, 2,237,623.20 and 426,854.40

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Solution

The fourth proportional to 1,491,748.80, 2,237,623.20 and 426,854.40 is: 640,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,748.80 : 2,237,623.20 = 426,854.40 : x
  2. Step 2: Convert to fraction form
    1,491,748.80/2,237,623.20 = 426,854.40/x
  3. Step 3: Cross multiply
    1,491,748.80x = 2,237,623.20 × 426,854.40
  4. Step 4: Simplify right side
    1,491,748.80x = 955,139,308,462.08
  5. Step 5: Solve for x
    x = 955,139,308,462.08/1,491,748.80
  6. Step 6: Final answer
    x = 640,281.60

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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.