Home / 1,557,293.40-2,335,940.10-492,661.80

Finding the Fourth Proportional to 1,557,293.40, 2,335,940.10 and 492,661.80

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Solution

The fourth proportional to 1,557,293.40, 2,335,940.10 and 492,661.80 is: 738,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,293.40 : 2,335,940.10 = 492,661.80 : x
  2. Step 2: Convert to fraction form
    1,557,293.40/2,335,940.10 = 492,661.80/x
  3. Step 3: Cross multiply
    1,557,293.40x = 2,335,940.10 × 492,661.80
  4. Step 4: Simplify right side
    1,557,293.40x = 1,150,828,454,358.18
  5. Step 5: Solve for x
    x = 1,150,828,454,358.18/1,557,293.40
  6. Step 6: Final answer
    x = 738,992.70

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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.