Home / 1,058,138.60-1,587,207.90-977,037.80

Finding the Fourth Proportional to 1,058,138.60, 1,587,207.90 and 977,037.80

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Solution

The fourth proportional to 1,058,138.60, 1,587,207.90 and 977,037.80 is: 1,465,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,138.60 : 1,587,207.90 = 977,037.80 : x
  2. Step 2: Convert to fraction form
    1,058,138.60/1,587,207.90 = 977,037.80/x
  3. Step 3: Cross multiply
    1,058,138.60x = 1,587,207.90 × 977,037.80
  4. Step 4: Simplify right side
    1,058,138.60x = 1,550,762,114,758.62
  5. Step 5: Solve for x
    x = 1,550,762,114,758.62/1,058,138.60
  6. Step 6: Final answer
    x = 1,465,556.70

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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.