Home / 1,105,774.21-1,525,383.12-761,011.59

Finding the Fourth Proportional to 1,105,774.21, 1,525,383.12 and 761,011.59

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Solution

The fourth proportional to 1,105,774.21, 1,525,383.12 and 761,011.59 is: 1,049,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,774.21 : 1,525,383.12 = 761,011.59 : x
  2. Step 2: Convert to fraction form
    1,105,774.21/1,525,383.12 = 761,011.59/x
  3. Step 3: Cross multiply
    1,105,774.21x = 1,525,383.12 × 761,011.59
  4. Step 4: Simplify right side
    1,105,774.21x = 1,160,834,233,510.36
  5. Step 5: Solve for x
    x = 1,160,834,233,510.36/1,105,774.21
  6. Step 6: Final answer
    x = 1,049,793.19

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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.