Home / 1,214,430.40-1,821,864.30-504,530.20

Finding the Fourth Proportional to 1,214,430.40, 1,821,864.30 and 504,530.20

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Solution

The fourth proportional to 1,214,430.40, 1,821,864.30 and 504,530.20 is: 756,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,430.40 : 1,821,864.30 = 504,530.20 : x
  2. Step 2: Convert to fraction form
    1,214,430.40/1,821,864.30 = 504,530.20/x
  3. Step 3: Cross multiply
    1,214,430.40x = 1,821,864.30 × 504,530.20
  4. Step 4: Simplify right side
    1,214,430.40x = 919,185,559,651.86
  5. Step 5: Solve for x
    x = 919,185,559,651.86/1,214,430.40
  6. Step 6: Final answer
    x = 756,886.16

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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.