Home / 1,145,135.60-1,717,703.40-987,671.60

Finding the Fourth Proportional to 1,145,135.60, 1,717,703.40 and 987,671.60

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Solution

The fourth proportional to 1,145,135.60, 1,717,703.40 and 987,671.60 is: 1,481,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,135.60 : 1,717,703.40 = 987,671.60 : x
  2. Step 2: Convert to fraction form
    1,145,135.60/1,717,703.40 = 987,671.60/x
  3. Step 3: Cross multiply
    1,145,135.60x = 1,717,703.40 × 987,671.60
  4. Step 4: Simplify right side
    1,145,135.60x = 1,696,526,865,403.44
  5. Step 5: Solve for x
    x = 1,696,526,865,403.44/1,145,135.60
  6. Step 6: Final answer
    x = 1,481,507.40

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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.