Home / 1,080,832.20-1,616,582.70-912,870.60

Finding the Fourth Proportional to 1,080,832.20, 1,616,582.70 and 912,870.60

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Solution

The fourth proportional to 1,080,832.20, 1,616,582.70 and 912,870.60 is: 1,365,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,832.20 : 1,616,582.70 = 912,870.60 : x
  2. Step 2: Convert to fraction form
    1,080,832.20/1,616,582.70 = 912,870.60/x
  3. Step 3: Cross multiply
    1,080,832.20x = 1,616,582.70 × 912,870.60
  4. Step 4: Simplify right side
    1,080,832.20x = 1,475,730,819,298.62
  5. Step 5: Solve for x
    x = 1,475,730,819,298.62/1,080,832.20
  6. Step 6: Final answer
    x = 1,365,365.34

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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.