Home / 1,608,654.23-2,221,384.65-1,200,046.49

Finding the Fourth Proportional to 1,608,654.23, 2,221,384.65 and 1,200,046.49

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Solution

The fourth proportional to 1,608,654.23, 2,221,384.65 and 1,200,046.49 is: 1,657,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,654.23 : 2,221,384.65 = 1,200,046.49 : x
  2. Step 2: Convert to fraction form
    1,608,654.23/2,221,384.65 = 1,200,046.49/x
  3. Step 3: Cross multiply
    1,608,654.23x = 2,221,384.65 × 1,200,046.49
  4. Step 4: Simplify right side
    1,608,654.23x = 2,665,764,841,065.46
  5. Step 5: Solve for x
    x = 2,665,764,841,065.46/1,608,654.23
  6. Step 6: Final answer
    x = 1,657,139.74

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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.