Home / 1,058,820.10-1,588,230.15-427,408.90

Finding the Fourth Proportional to 1,058,820.10, 1,588,230.15 and 427,408.90

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Solution

The fourth proportional to 1,058,820.10, 1,588,230.15 and 427,408.90 is: 641,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,820.10 : 1,588,230.15 = 427,408.90 : x
  2. Step 2: Convert to fraction form
    1,058,820.10/1,588,230.15 = 427,408.90/x
  3. Step 3: Cross multiply
    1,058,820.10x = 1,588,230.15 × 427,408.90
  4. Step 4: Simplify right side
    1,058,820.10x = 678,823,701,358.34
  5. Step 5: Solve for x
    x = 678,823,701,358.34/1,058,820.10
  6. Step 6: Final answer
    x = 641,113.35

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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.