Home / 1,405,364.15-1,939,400.34-760,784.17

Finding the Fourth Proportional to 1,405,364.15, 1,939,400.34 and 760,784.17

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Solution

The fourth proportional to 1,405,364.15, 1,939,400.34 and 760,784.17 is: 1,049,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,364.15 : 1,939,400.34 = 760,784.17 : x
  2. Step 2: Convert to fraction form
    1,405,364.15/1,939,400.34 = 760,784.17/x
  3. Step 3: Cross multiply
    1,405,364.15x = 1,939,400.34 × 760,784.17
  4. Step 4: Simplify right side
    1,405,364.15x = 1,475,465,077,964.62
  5. Step 5: Solve for x
    x = 1,475,465,077,964.62/1,405,364.15
  6. Step 6: Final answer
    x = 1,049,880.97

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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.