Home / 1,386,960.15-2,080,667.93-427,415.93

Finding the Fourth Proportional to 1,386,960.15, 2,080,667.93 and 427,415.93

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Solution

The fourth proportional to 1,386,960.15, 2,080,667.93 and 427,415.93 is: 641,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,960.15 : 2,080,667.93 = 427,415.93 : x
  2. Step 2: Convert to fraction form
    1,386,960.15/2,080,667.93 = 427,415.93/x
  3. Step 3: Cross multiply
    1,386,960.15x = 2,080,667.93 × 427,415.93
  4. Step 4: Simplify right side
    1,386,960.15x = 889,310,605,781.71
  5. Step 5: Solve for x
    x = 889,310,605,781.71/1,386,960.15
  6. Step 6: Final answer
    x = 641,194.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.