Home / 1,753,344.40-2,630,279.40-742,464.40

Finding the Fourth Proportional to 1,753,344.40, 2,630,279.40 and 742,464.40

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Solution

The fourth proportional to 1,753,344.40, 2,630,279.40 and 742,464.40 is: 1,113,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,344.40 : 2,630,279.40 = 742,464.40 : x
  2. Step 2: Convert to fraction form
    1,753,344.40/2,630,279.40 = 742,464.40/x
  3. Step 3: Cross multiply
    1,753,344.40x = 2,630,279.40 × 742,464.40
  4. Step 4: Simplify right side
    1,753,344.40x = 1,952,888,816,553.36
  5. Step 5: Solve for x
    x = 1,952,888,816,553.36/1,753,344.40
  6. Step 6: Final answer
    x = 1,113,807.88

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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.