Home / 1,210,040.40-1,815,060.60-499,832.40

Finding the Fourth Proportional to 1,210,040.40, 1,815,060.60 and 499,832.40

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Solution

The fourth proportional to 1,210,040.40, 1,815,060.60 and 499,832.40 is: 749,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,040.40 : 1,815,060.60 = 499,832.40 : x
  2. Step 2: Convert to fraction form
    1,210,040.40/1,815,060.60 = 499,832.40/x
  3. Step 3: Cross multiply
    1,210,040.40x = 1,815,060.60 × 499,832.40
  4. Step 4: Simplify right side
    1,210,040.40x = 907,226,095,843.44
  5. Step 5: Solve for x
    x = 907,226,095,843.44/1,210,040.40
  6. Step 6: Final answer
    x = 749,748.60

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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.