Home / 926,842.20-1,390,263.30-883,539.60

Finding the Fourth Proportional to 926,842.20, 1,390,263.30 and 883,539.60

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Solution

The fourth proportional to 926,842.20, 1,390,263.30 and 883,539.60 is: 1,325,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,842.20 : 1,390,263.30 = 883,539.60 : x
  2. Step 2: Convert to fraction form
    926,842.20/1,390,263.30 = 883,539.60/x
  3. Step 3: Cross multiply
    926,842.20x = 1,390,263.30 × 883,539.60
  4. Step 4: Simplify right side
    926,842.20x = 1,228,352,679,976.68
  5. Step 5: Solve for x
    x = 1,228,352,679,976.68/926,842.20
  6. Step 6: Final answer
    x = 1,325,309.40

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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.