Home / 1,038,573.90-1,557,715.05-328,673.70

Finding the Fourth Proportional to 1,038,573.90, 1,557,715.05 and 328,673.70

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Solution

The fourth proportional to 1,038,573.90, 1,557,715.05 and 328,673.70 is: 492,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,573.90 : 1,557,715.05 = 328,673.70 : x
  2. Step 2: Convert to fraction form
    1,038,573.90/1,557,715.05 = 328,673.70/x
  3. Step 3: Cross multiply
    1,038,573.90x = 1,557,715.05 × 328,673.70
  4. Step 4: Simplify right side
    1,038,573.90x = 511,979,969,029.19
  5. Step 5: Solve for x
    x = 511,979,969,029.19/1,038,573.90
  6. Step 6: Final answer
    x = 492,964.41

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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.