Home / 1,058,435.40-1,587,653.10-987,576.60

Finding the Fourth Proportional to 1,058,435.40, 1,587,653.10 and 987,576.60

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Solution

The fourth proportional to 1,058,435.40, 1,587,653.10 and 987,576.60 is: 1,481,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,435.40 : 1,587,653.10 = 987,576.60 : x
  2. Step 2: Convert to fraction form
    1,058,435.40/1,587,653.10 = 987,576.60/x
  3. Step 3: Cross multiply
    1,058,435.40x = 1,587,653.10 × 987,576.60
  4. Step 4: Simplify right side
    1,058,435.40x = 1,567,929,050,477.46
  5. Step 5: Solve for x
    x = 1,567,929,050,477.46/1,058,435.40
  6. Step 6: Final answer
    x = 1,481,364.90

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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.