Home / 1,753,286.40-2,630,192.40-742,406.40

Finding the Fourth Proportional to 1,753,286.40, 2,630,192.40 and 742,406.40

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Solution

The fourth proportional to 1,753,286.40, 2,630,192.40 and 742,406.40 is: 1,113,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,286.40 : 2,630,192.40 = 742,406.40 : x
  2. Step 2: Convert to fraction form
    1,753,286.40/2,630,192.40 = 742,406.40/x
  3. Step 3: Cross multiply
    1,753,286.40x = 2,630,192.40 × 742,406.40
  4. Step 4: Simplify right side
    1,753,286.40x = 1,952,671,670,991.36
  5. Step 5: Solve for x
    x = 1,952,671,670,991.36/1,753,286.40
  6. Step 6: Final answer
    x = 1,113,720.88

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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.