Home / 1,058,999.20-1,588,780.40-459,703.20

Finding the Fourth Proportional to 1,058,999.20, 1,588,780.40 and 459,703.20

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Solution

The fourth proportional to 1,058,999.20, 1,588,780.40 and 459,703.20 is: 689,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,999.20 : 1,588,780.40 = 459,703.20 : x
  2. Step 2: Convert to fraction form
    1,058,999.20/1,588,780.40 = 459,703.20/x
  3. Step 3: Cross multiply
    1,058,999.20x = 1,588,780.40 × 459,703.20
  4. Step 4: Simplify right side
    1,058,999.20x = 730,367,433,977.28
  5. Step 5: Solve for x
    x = 730,367,433,977.28/1,058,999.20
  6. Step 6: Final answer
    x = 689,677.04

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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.