Home / 1,209,748.80-1,815,279.30-499,848.60

Finding the Fourth Proportional to 1,209,748.80, 1,815,279.30 and 499,848.60

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Solution

The fourth proportional to 1,209,748.80, 1,815,279.30 and 499,848.60 is: 750,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,748.80 : 1,815,279.30 = 499,848.60 : x
  2. Step 2: Convert to fraction form
    1,209,748.80/1,815,279.30 = 499,848.60/x
  3. Step 3: Cross multiply
    1,209,748.80x = 1,815,279.30 × 499,848.60
  4. Step 4: Simplify right side
    1,209,748.80x = 907,364,816,713.98
  5. Step 5: Solve for x
    x = 907,364,816,713.98/1,209,748.80
  6. Step 6: Final answer
    x = 750,043.99

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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.