Home / 1,255,289.60-1,882,934.40-413,638.40

Finding the Fourth Proportional to 1,255,289.60, 1,882,934.40 and 413,638.40

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Solution

The fourth proportional to 1,255,289.60, 1,882,934.40 and 413,638.40 is: 620,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,289.60 : 1,882,934.40 = 413,638.40 : x
  2. Step 2: Convert to fraction form
    1,255,289.60/1,882,934.40 = 413,638.40/x
  3. Step 3: Cross multiply
    1,255,289.60x = 1,882,934.40 × 413,638.40
  4. Step 4: Simplify right side
    1,255,289.60x = 778,853,972,520.96
  5. Step 5: Solve for x
    x = 778,853,972,520.96/1,255,289.60
  6. Step 6: Final answer
    x = 620,457.60

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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.