Home / 1,121,443.13-1,547,571.77-637,997.97

Finding the Fourth Proportional to 1,121,443.13, 1,547,571.77 and 637,997.97

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Solution

The fourth proportional to 1,121,443.13, 1,547,571.77 and 637,997.97 is: 880,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,443.13 : 1,547,571.77 = 637,997.97 : x
  2. Step 2: Convert to fraction form
    1,121,443.13/1,547,571.77 = 637,997.97/x
  3. Step 3: Cross multiply
    1,121,443.13x = 1,547,571.77 × 637,997.97
  4. Step 4: Simplify right side
    1,121,443.13x = 987,347,636,761.46
  5. Step 5: Solve for x
    x = 987,347,636,761.46/1,121,443.13
  6. Step 6: Final answer
    x = 880,425.96

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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.