Home / 1,121,373.54-1,547,441.69-637,893.45

Finding the Fourth Proportional to 1,121,373.54, 1,547,441.69 and 637,893.45

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Solution

The fourth proportional to 1,121,373.54, 1,547,441.69 and 637,893.45 is: 880,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,373.54 : 1,547,441.69 = 637,893.45 : x
  2. Step 2: Convert to fraction form
    1,121,373.54/1,547,441.69 = 637,893.45/x
  3. Step 3: Cross multiply
    1,121,373.54x = 1,547,441.69 × 637,893.45
  4. Step 4: Simplify right side
    1,121,373.54x = 987,102,915,118.46
  5. Step 5: Solve for x
    x = 987,102,915,118.46/1,121,373.54
  6. Step 6: Final answer
    x = 880,262.36

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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.