Home / 1,038,651.85-1,557,821.85-328,587.63

Finding the Fourth Proportional to 1,038,651.85, 1,557,821.85 and 328,587.63

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Solution

The fourth proportional to 1,038,651.85, 1,557,821.85 and 328,587.63 is: 492,832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,651.85 : 1,557,821.85 = 328,587.63 : x
  2. Step 2: Convert to fraction form
    1,038,651.85/1,557,821.85 = 328,587.63/x
  3. Step 3: Cross multiply
    1,038,651.85x = 1,557,821.85 × 328,587.63
  4. Step 4: Simplify right side
    1,038,651.85x = 511,880,989,653.72
  5. Step 5: Solve for x
    x = 511,880,989,653.72/1,038,651.85
  6. Step 6: Final answer
    x = 492,832.12

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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.