Home / 1,105,404.12-1,525,320.54-697,351.32

Finding the Fourth Proportional to 1,105,404.12, 1,525,320.54 and 697,351.32

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Solution

The fourth proportional to 1,105,404.12, 1,525,320.54 and 697,351.32 is: 962,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,404.12 : 1,525,320.54 = 697,351.32 : x
  2. Step 2: Convert to fraction form
    1,105,404.12/1,525,320.54 = 697,351.32/x
  3. Step 3: Cross multiply
    1,105,404.12x = 1,525,320.54 × 697,351.32
  4. Step 4: Simplify right side
    1,105,404.12x = 1,063,684,291,992.11
  5. Step 5: Solve for x
    x = 1,063,684,291,992.11/1,105,404.12
  6. Step 6: Final answer
    x = 962,258.30

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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.