Home / 1,213,258.40-1,674,444.89-697,011.36

Finding the Fourth Proportional to 1,213,258.40, 1,674,444.89 and 697,011.36

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Solution

The fourth proportional to 1,213,258.40, 1,674,444.89 and 697,011.36 is: 961,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,258.40 : 1,674,444.89 = 697,011.36 : x
  2. Step 2: Convert to fraction form
    1,213,258.40/1,674,444.89 = 697,011.36/x
  3. Step 3: Cross multiply
    1,213,258.40x = 1,674,444.89 × 697,011.36
  4. Step 4: Simplify right side
    1,213,258.40x = 1,167,107,101,651.73
  5. Step 5: Solve for x
    x = 1,167,107,101,651.73/1,213,258.40
  6. Step 6: Final answer
    x = 961,960.87

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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.