Home / 1,056,648.60-1,585,847.70-488,903.40

Finding the Fourth Proportional to 1,056,648.60, 1,585,847.70 and 488,903.40

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Solution

The fourth proportional to 1,056,648.60, 1,585,847.70 and 488,903.40 is: 733,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,648.60 : 1,585,847.70 = 488,903.40 : x
  2. Step 2: Convert to fraction form
    1,056,648.60/1,585,847.70 = 488,903.40/x
  3. Step 3: Cross multiply
    1,056,648.60x = 1,585,847.70 × 488,903.40
  4. Step 4: Simplify right side
    1,056,648.60x = 775,326,332,412.18
  5. Step 5: Solve for x
    x = 775,326,332,412.18/1,056,648.60
  6. Step 6: Final answer
    x = 733,759.86

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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.