Home / 1,556,979.60-2,335,250.70-492,129.30

Finding the Fourth Proportional to 1,556,979.60, 2,335,250.70 and 492,129.30

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Solution

The fourth proportional to 1,556,979.60, 2,335,250.70 and 492,129.30 is: 738,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,979.60 : 2,335,250.70 = 492,129.30 : x
  2. Step 2: Convert to fraction form
    1,556,979.60/2,335,250.70 = 492,129.30/x
  3. Step 3: Cross multiply
    1,556,979.60x = 2,335,250.70 × 492,129.30
  4. Step 4: Simplify right side
    1,556,979.60x = 1,149,245,292,315.51
  5. Step 5: Solve for x
    x = 1,149,245,292,315.51/1,556,979.60
  6. Step 6: Final answer
    x = 738,124.82

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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.