Home / 1,058,577.80-1,587,866.70-971,486.60

Finding the Fourth Proportional to 1,058,577.80, 1,587,866.70 and 971,486.60

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Solution

The fourth proportional to 1,058,577.80, 1,587,866.70 and 971,486.60 is: 1,457,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,577.80 : 1,587,866.70 = 971,486.60 : x
  2. Step 2: Convert to fraction form
    1,058,577.80/1,587,866.70 = 971,486.60/x
  3. Step 3: Cross multiply
    1,058,577.80x = 1,587,866.70 × 971,486.60
  4. Step 4: Simplify right side
    1,058,577.80x = 1,542,591,221,636.22
  5. Step 5: Solve for x
    x = 1,542,591,221,636.22/1,058,577.80
  6. Step 6: Final answer
    x = 1,457,229.90

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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.