Home / 1,321,246.08-1,823,343.62-748,405.17

Finding the Fourth Proportional to 1,321,246.08, 1,823,343.62 and 748,405.17

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Solution

The fourth proportional to 1,321,246.08, 1,823,343.62 and 748,405.17 is: 1,032,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,246.08 : 1,823,343.62 = 748,405.17 : x
  2. Step 2: Convert to fraction form
    1,321,246.08/1,823,343.62 = 748,405.17/x
  3. Step 3: Cross multiply
    1,321,246.08x = 1,823,343.62 × 748,405.17
  4. Step 4: Simplify right side
    1,321,246.08x = 1,364,599,788,152.49
  5. Step 5: Solve for x
    x = 1,364,599,788,152.49/1,321,246.08
  6. Step 6: Final answer
    x = 1,032,812.74

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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.