Home / 926,141.60-1,390,087.20-571,847.60

Finding the Fourth Proportional to 926,141.60, 1,390,087.20 and 571,847.60

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Solution

The fourth proportional to 926,141.60, 1,390,087.20 and 571,847.60 is: 858,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,141.60 : 1,390,087.20 = 571,847.60 : x
  2. Step 2: Convert to fraction form
    926,141.60/1,390,087.20 = 571,847.60/x
  3. Step 3: Cross multiply
    926,141.60x = 1,390,087.20 × 571,847.60
  4. Step 4: Simplify right side
    926,141.60x = 794,918,029,110.72
  5. Step 5: Solve for x
    x = 794,918,029,110.72/926,141.60
  6. Step 6: Final answer
    x = 858,311.55

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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.