Home / 1,557,200.40-2,336,128.65-492,350.10

Finding the Fourth Proportional to 1,557,200.40, 2,336,128.65 and 492,350.10

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Solution

The fourth proportional to 1,557,200.40, 2,336,128.65 and 492,350.10 is: 738,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,200.40 : 2,336,128.65 = 492,350.10 : x
  2. Step 2: Convert to fraction form
    1,557,200.40/2,336,128.65 = 492,350.10/x
  3. Step 3: Cross multiply
    1,557,200.40x = 2,336,128.65 × 492,350.10
  4. Step 4: Simplify right side
    1,557,200.40x = 1,150,193,174,440.37
  5. Step 5: Solve for x
    x = 1,150,193,174,440.37/1,557,200.40
  6. Step 6: Final answer
    x = 738,628.87

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1.5x scale

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.