Home / 1,608,546.60-2,219,848.74-920,331.72

Finding the Fourth Proportional to 1,608,546.60, 2,219,848.74 and 920,331.72

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Solution

The fourth proportional to 1,608,546.60, 2,219,848.74 and 920,331.72 is: 1,270,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,546.60 : 2,219,848.74 = 920,331.72 : x
  2. Step 2: Convert to fraction form
    1,608,546.60/2,219,848.74 = 920,331.72/x
  3. Step 3: Cross multiply
    1,608,546.60x = 2,219,848.74 × 920,331.72
  4. Step 4: Simplify right side
    1,608,546.60x = 2,042,997,209,024.03
  5. Step 5: Solve for x
    x = 2,042,997,209,024.03/1,608,546.60
  6. Step 6: Final answer
    x = 1,270,088.92

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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.