Home / 1,058,388.40-1,587,582.60-987,529.60

Finding the Fourth Proportional to 1,058,388.40, 1,587,582.60 and 987,529.60

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Solution

The fourth proportional to 1,058,388.40, 1,587,582.60 and 987,529.60 is: 1,481,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,388.40 : 1,587,582.60 = 987,529.60 : x
  2. Step 2: Convert to fraction form
    1,058,388.40/1,587,582.60 = 987,529.60/x
  3. Step 3: Cross multiply
    1,058,388.40x = 1,587,582.60 × 987,529.60
  4. Step 4: Simplify right side
    1,058,388.40x = 1,567,784,809,944.96
  5. Step 5: Solve for x
    x = 1,567,784,809,944.96/1,058,388.40
  6. Step 6: Final answer
    x = 1,481,294.40

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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.