Home / 1,247,435.58-1,721,068.14-763,496.22

Finding the Fourth Proportional to 1,247,435.58, 1,721,068.14 and 763,496.22

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Solution

The fourth proportional to 1,247,435.58, 1,721,068.14 and 763,496.22 is: 1,053,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,435.58 : 1,721,068.14 = 763,496.22 : x
  2. Step 2: Convert to fraction form
    1,247,435.58/1,721,068.14 = 763,496.22/x
  3. Step 3: Cross multiply
    1,247,435.58x = 1,721,068.14 × 763,496.22
  4. Step 4: Simplify right side
    1,247,435.58x = 1,314,029,019,252.43
  5. Step 5: Solve for x
    x = 1,314,029,019,252.43/1,247,435.58
  6. Step 6: Final answer
    x = 1,053,384.27

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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.