Home / 1,038,575.90-1,557,718.05-328,675.70

Finding the Fourth Proportional to 1,038,575.90, 1,557,718.05 and 328,675.70

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Solution

The fourth proportional to 1,038,575.90, 1,557,718.05 and 328,675.70 is: 492,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,575.90 : 1,557,718.05 = 328,675.70 : x
  2. Step 2: Convert to fraction form
    1,038,575.90/1,557,718.05 = 328,675.70/x
  3. Step 3: Cross multiply
    1,038,575.90x = 1,557,718.05 × 328,675.70
  4. Step 4: Simplify right side
    1,038,575.90x = 511,984,070,486.39
  5. Step 5: Solve for x
    x = 511,984,070,486.39/1,038,575.90
  6. Step 6: Final answer
    x = 492,967.41

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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.