Home / 1,058,878.70-1,588,706.85-427,856.30

Finding the Fourth Proportional to 1,058,878.70, 1,588,706.85 and 427,856.30

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Solution

The fourth proportional to 1,058,878.70, 1,588,706.85 and 427,856.30 is: 641,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,878.70 : 1,588,706.85 = 427,856.30 : x
  2. Step 2: Convert to fraction form
    1,058,878.70/1,588,706.85 = 427,856.30/x
  3. Step 3: Cross multiply
    1,058,878.70x = 1,588,706.85 × 427,856.30
  4. Step 4: Simplify right side
    1,058,878.70x = 679,738,234,625.66
  5. Step 5: Solve for x
    x = 679,738,234,625.66/1,058,878.70
  6. Step 6: Final answer
    x = 641,941.55

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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.