Home / 1,038,595.47-1,557,737.36-328,531.25

Finding the Fourth Proportional to 1,038,595.47, 1,557,737.36 and 328,531.25

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Solution

The fourth proportional to 1,038,595.47, 1,557,737.36 and 328,531.25 is: 492,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,595.47 : 1,557,737.36 = 328,531.25 : x
  2. Step 2: Convert to fraction form
    1,038,595.47/1,557,737.36 = 328,531.25/x
  3. Step 3: Cross multiply
    1,038,595.47x = 1,557,737.36 × 328,531.25
  4. Step 4: Simplify right side
    1,038,595.47x = 511,765,392,621.16
  5. Step 5: Solve for x
    x = 511,765,392,621.16/1,038,595.47
  6. Step 6: Final answer
    x = 492,747.57

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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.