Home / 1,753,126.40-2,629,952.40-742,246.40

Finding the Fourth Proportional to 1,753,126.40, 2,629,952.40 and 742,246.40

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Solution

The fourth proportional to 1,753,126.40, 2,629,952.40 and 742,246.40 is: 1,113,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,126.40 : 2,629,952.40 = 742,246.40 : x
  2. Step 2: Convert to fraction form
    1,753,126.40/2,629,952.40 = 742,246.40/x
  3. Step 3: Cross multiply
    1,753,126.40x = 2,629,952.40 × 742,246.40
  4. Step 4: Simplify right side
    1,753,126.40x = 1,952,072,701,071.36
  5. Step 5: Solve for x
    x = 1,952,072,701,071.36/1,753,126.40
  6. Step 6: Final answer
    x = 1,113,480.87

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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.