Home / 1,036,640.43-1,555,039.35-353,314.90

Finding the Fourth Proportional to 1,036,640.43, 1,555,039.35 and 353,314.90

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Solution

The fourth proportional to 1,036,640.43, 1,555,039.35 and 353,314.90 is: 529,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,640.43 : 1,555,039.35 = 353,314.90 : x
  2. Step 2: Convert to fraction form
    1,036,640.43/1,555,039.35 = 353,314.90/x
  3. Step 3: Cross multiply
    1,036,640.43x = 1,555,039.35 × 353,314.90
  4. Step 4: Simplify right side
    1,036,640.43x = 549,418,572,441.32
  5. Step 5: Solve for x
    x = 549,418,572,441.32/1,036,640.43
  6. Step 6: Final answer
    x = 529,999.17

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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.