Home / 1,490,005.20-2,235,007.80-544,054.80

Finding the Fourth Proportional to 1,490,005.20, 2,235,007.80 and 544,054.80

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Solution

The fourth proportional to 1,490,005.20, 2,235,007.80 and 544,054.80 is: 816,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,005.20 : 2,235,007.80 = 544,054.80 : x
  2. Step 2: Convert to fraction form
    1,490,005.20/2,235,007.80 = 544,054.80/x
  3. Step 3: Cross multiply
    1,490,005.20x = 2,235,007.80 × 544,054.80
  4. Step 4: Simplify right side
    1,490,005.20x = 1,215,966,721,627.44
  5. Step 5: Solve for x
    x = 1,215,966,721,627.44/1,490,005.20
  6. Step 6: Final answer
    x = 816,082.20

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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.