Home / 1,103,212.20-1,654,818.30-393,263.40

Finding the Fourth Proportional to 1,103,212.20, 1,654,818.30 and 393,263.40

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Solution

The fourth proportional to 1,103,212.20, 1,654,818.30 and 393,263.40 is: 589,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,212.20 : 1,654,818.30 = 393,263.40 : x
  2. Step 2: Convert to fraction form
    1,103,212.20/1,654,818.30 = 393,263.40/x
  3. Step 3: Cross multiply
    1,103,212.20x = 1,654,818.30 × 393,263.40
  4. Step 4: Simplify right side
    1,103,212.20x = 650,779,471,040.22
  5. Step 5: Solve for x
    x = 650,779,471,040.22/1,103,212.20
  6. Step 6: Final answer
    x = 589,895.10

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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.