Home / 1,313,374.78-1,812,379.08-762,047.92

Finding the Fourth Proportional to 1,313,374.78, 1,812,379.08 and 762,047.92

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Solution

The fourth proportional to 1,313,374.78, 1,812,379.08 and 762,047.92 is: 1,051,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,374.78 : 1,812,379.08 = 762,047.92 : x
  2. Step 2: Convert to fraction form
    1,313,374.78/1,812,379.08 = 762,047.92/x
  3. Step 3: Cross multiply
    1,313,374.78x = 1,812,379.08 × 762,047.92
  4. Step 4: Simplify right side
    1,313,374.78x = 1,381,119,708,165.51
  5. Step 5: Solve for x
    x = 1,381,119,708,165.51/1,313,374.78
  6. Step 6: Final answer
    x = 1,051,580.80

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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.