Home / 1,210,480.80-1,815,296.80-357,324.80

Finding the Fourth Proportional to 1,210,480.80, 1,815,296.80 and 357,324.80

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Solution

The fourth proportional to 1,210,480.80, 1,815,296.80 and 357,324.80 is: 535,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,480.80 : 1,815,296.80 = 357,324.80 : x
  2. Step 2: Convert to fraction form
    1,210,480.80/1,815,296.80 = 357,324.80/x
  3. Step 3: Cross multiply
    1,210,480.80x = 1,815,296.80 × 357,324.80
  4. Step 4: Simplify right side
    1,210,480.80x = 648,650,566,000.64
  5. Step 5: Solve for x
    x = 648,650,566,000.64/1,210,480.80
  6. Step 6: Final answer
    x = 535,861.92

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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.