Home / 1,395,572.15-1,925,779.78-791,960.15

Finding the Fourth Proportional to 1,395,572.15, 1,925,779.78 and 791,960.15

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Solution

The fourth proportional to 1,395,572.15, 1,925,779.78 and 791,960.15 is: 1,092,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,572.15 : 1,925,779.78 = 791,960.15 : x
  2. Step 2: Convert to fraction form
    1,395,572.15/1,925,779.78 = 791,960.15/x
  3. Step 3: Cross multiply
    1,395,572.15x = 1,925,779.78 × 791,960.15
  4. Step 4: Simplify right side
    1,395,572.15x = 1,525,140,839,475.97
  5. Step 5: Solve for x
    x = 1,525,140,839,475.97/1,395,572.15
  6. Step 6: Final answer
    x = 1,092,842.70

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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.