Home / 1,105,770.40-1,525,377.86-761,007.77

Finding the Fourth Proportional to 1,105,770.40, 1,525,377.86 and 761,007.77

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Solution

The fourth proportional to 1,105,770.40, 1,525,377.86 and 761,007.77 is: 1,049,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,770.40 : 1,525,377.86 = 761,007.77 : x
  2. Step 2: Convert to fraction form
    1,105,770.40/1,525,377.86 = 761,007.77/x
  3. Step 3: Cross multiply
    1,105,770.40x = 1,525,377.86 × 761,007.77
  4. Step 4: Simplify right side
    1,105,770.40x = 1,160,824,400,787.99
  5. Step 5: Solve for x
    x = 1,160,824,400,787.99/1,105,770.40
  6. Step 6: Final answer
    x = 1,049,787.92

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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.