Home / 1,121,477.36-1,547,584.68-637,996.88

Finding the Fourth Proportional to 1,121,477.36, 1,547,584.68 and 637,996.88

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Solution

The fourth proportional to 1,121,477.36, 1,547,584.68 and 637,996.88 is: 880,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,477.36 : 1,547,584.68 = 637,996.88 : x
  2. Step 2: Convert to fraction form
    1,121,477.36/1,547,584.68 = 637,996.88/x
  3. Step 3: Cross multiply
    1,121,477.36x = 1,547,584.68 × 637,996.88
  4. Step 4: Simplify right side
    1,121,477.36x = 987,354,197,375.80
  5. Step 5: Solve for x
    x = 987,354,197,375.80/1,121,477.36
  6. Step 6: Final answer
    x = 880,404.93

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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.