Home / 1,036,640.93-1,555,040.10-353,315.40

Finding the Fourth Proportional to 1,036,640.93, 1,555,040.10 and 353,315.40

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Solution

The fourth proportional to 1,036,640.93, 1,555,040.10 and 353,315.40 is: 529,999.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,640.93 : 1,555,040.10 = 353,315.40 : x
  2. Step 2: Convert to fraction form
    1,036,640.93/1,555,040.10 = 353,315.40/x
  3. Step 3: Cross multiply
    1,036,640.93x = 1,555,040.10 × 353,315.40
  4. Step 4: Simplify right side
    1,036,640.93x = 549,419,614,947.54
  5. Step 5: Solve for x
    x = 549,419,614,947.54/1,036,640.93
  6. Step 6: Final answer
    x = 529,999.92

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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.