Home / 1,370,076.76-1,890,675.96-749,878.84

Finding the Fourth Proportional to 1,370,076.76, 1,890,675.96 and 749,878.84

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Solution

The fourth proportional to 1,370,076.76, 1,890,675.96 and 749,878.84 is: 1,034,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,076.76 : 1,890,675.96 = 749,878.84 : x
  2. Step 2: Convert to fraction form
    1,370,076.76/1,890,675.96 = 749,878.84/x
  3. Step 3: Cross multiply
    1,370,076.76x = 1,890,675.96 × 749,878.84
  4. Step 4: Simplify right side
    1,370,076.76x = 1,417,777,895,700.69
  5. Step 5: Solve for x
    x = 1,417,777,895,700.69/1,370,076.76
  6. Step 6: Final answer
    x = 1,034,816.40

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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.