Home / 1,620,073.20-2,235,657.70-894,905.31

Finding the Fourth Proportional to 1,620,073.20, 2,235,657.70 and 894,905.31

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Solution

The fourth proportional to 1,620,073.20, 2,235,657.70 and 894,905.31 is: 1,234,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,073.20 : 2,235,657.70 = 894,905.31 : x
  2. Step 2: Convert to fraction form
    1,620,073.20/2,235,657.70 = 894,905.31/x
  3. Step 3: Cross multiply
    1,620,073.20x = 2,235,657.70 × 894,905.31
  4. Step 4: Simplify right side
    1,620,073.20x = 2,000,701,944,835.12
  5. Step 5: Solve for x
    x = 2,000,701,944,835.12/1,620,073.20
  6. Step 6: Final answer
    x = 1,234,945.40

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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.