Home / 1,003,390.61-1,384,679.99-573,679.74

Finding the Fourth Proportional to 1,003,390.61, 1,384,679.99 and 573,679.74

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Solution

The fourth proportional to 1,003,390.61, 1,384,679.99 and 573,679.74 is: 791,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,390.61 : 1,384,679.99 = 573,679.74 : x
  2. Step 2: Convert to fraction form
    1,003,390.61/1,384,679.99 = 573,679.74/x
  3. Step 3: Cross multiply
    1,003,390.61x = 1,384,679.99 × 573,679.74
  4. Step 4: Simplify right side
    1,003,390.61x = 794,362,853,778.00
  5. Step 5: Solve for x
    x = 794,362,853,778.00/1,003,390.61
  6. Step 6: Final answer
    x = 791,678.58

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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.