Home / 1,058,813.70-1,588,220.55-939,840.90

Finding the Fourth Proportional to 1,058,813.70, 1,588,220.55 and 939,840.90

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Solution

The fourth proportional to 1,058,813.70, 1,588,220.55 and 939,840.90 is: 1,409,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,813.70 : 1,588,220.55 = 939,840.90 : x
  2. Step 2: Convert to fraction form
    1,058,813.70/1,588,220.55 = 939,840.90/x
  3. Step 3: Cross multiply
    1,058,813.70x = 1,588,220.55 × 939,840.90
  4. Step 4: Simplify right side
    1,058,813.70x = 1,492,674,631,110.50
  5. Step 5: Solve for x
    x = 1,492,674,631,110.50/1,058,813.70
  6. Step 6: Final answer
    x = 1,409,761.35

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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.