Home / 1,148,793.60-1,585,292.40-639,485.04

Finding the Fourth Proportional to 1,148,793.60, 1,585,292.40 and 639,485.04

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Solution

The fourth proportional to 1,148,793.60, 1,585,292.40 and 639,485.04 is: 882,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,793.60 : 1,585,292.40 = 639,485.04 : x
  2. Step 2: Convert to fraction form
    1,148,793.60/1,585,292.40 = 639,485.04/x
  3. Step 3: Cross multiply
    1,148,793.60x = 1,585,292.40 × 639,485.04
  4. Step 4: Simplify right side
    1,148,793.60x = 1,013,770,773,825.70
  5. Step 5: Solve for x
    x = 1,013,770,773,825.70/1,148,793.60
  6. Step 6: Final answer
    x = 882,465.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.