Home / 1,038,391.65-1,557,749.48-328,352.13

Finding the Fourth Proportional to 1,038,391.65, 1,557,749.48 and 328,352.13

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Solution

The fourth proportional to 1,038,391.65, 1,557,749.48 and 328,352.13 is: 492,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,391.65 : 1,557,749.48 = 328,352.13 : x
  2. Step 2: Convert to fraction form
    1,038,391.65/1,557,749.48 = 328,352.13/x
  3. Step 3: Cross multiply
    1,038,391.65x = 1,557,749.48 × 328,352.13
  4. Step 4: Simplify right side
    1,038,391.65x = 511,490,358,122.63
  5. Step 5: Solve for x
    x = 511,490,358,122.63/1,038,391.65
  6. Step 6: Final answer
    x = 492,579.42

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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.