Home / 1,557,800.40-2,336,919.30-492,731.40

Finding the Fourth Proportional to 1,557,800.40, 2,336,919.30 and 492,731.40

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Solution

The fourth proportional to 1,557,800.40, 2,336,919.30 and 492,731.40 is: 739,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,800.40 : 2,336,919.30 = 492,731.40 : x
  2. Step 2: Convert to fraction form
    1,557,800.40/2,336,919.30 = 492,731.40/x
  3. Step 3: Cross multiply
    1,557,800.40x = 2,336,919.30 × 492,731.40
  4. Step 4: Simplify right side
    1,557,800.40x = 1,151,473,518,376.02
  5. Step 5: Solve for x
    x = 1,151,473,518,376.02/1,557,800.40
  6. Step 6: Final answer
    x = 739,166.27

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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.