Home / 1,230,382.40-1,845,573.60-520,174.40

Finding the Fourth Proportional to 1,230,382.40, 1,845,573.60 and 520,174.40

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Solution

The fourth proportional to 1,230,382.40, 1,845,573.60 and 520,174.40 is: 780,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,382.40 : 1,845,573.60 = 520,174.40 : x
  2. Step 2: Convert to fraction form
    1,230,382.40/1,845,573.60 = 520,174.40/x
  3. Step 3: Cross multiply
    1,230,382.40x = 1,845,573.60 × 520,174.40
  4. Step 4: Simplify right side
    1,230,382.40x = 960,020,140,035.84
  5. Step 5: Solve for x
    x = 960,020,140,035.84/1,230,382.40
  6. Step 6: Final answer
    x = 780,261.60

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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.