Home / 1,038,490.30-1,557,735.45-683,904.70

Finding the Fourth Proportional to 1,038,490.30, 1,557,735.45 and 683,904.70

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Solution

The fourth proportional to 1,038,490.30, 1,557,735.45 and 683,904.70 is: 1,025,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,490.30 : 1,557,735.45 = 683,904.70 : x
  2. Step 2: Convert to fraction form
    1,038,490.30/1,557,735.45 = 683,904.70/x
  3. Step 3: Cross multiply
    1,038,490.30x = 1,557,735.45 × 683,904.70
  4. Step 4: Simplify right side
    1,038,490.30x = 1,065,342,595,611.61
  5. Step 5: Solve for x
    x = 1,065,342,595,611.61/1,038,490.30
  6. Step 6: Final answer
    x = 1,025,857.05

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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.