Home / 1,384,406.40-2,077,300.80-785,827.20

Finding the Fourth Proportional to 1,384,406.40, 2,077,300.80 and 785,827.20

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Solution

The fourth proportional to 1,384,406.40, 2,077,300.80 and 785,827.20 is: 1,179,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,406.40 : 2,077,300.80 = 785,827.20 : x
  2. Step 2: Convert to fraction form
    1,384,406.40/2,077,300.80 = 785,827.20/x
  3. Step 3: Cross multiply
    1,384,406.40x = 2,077,300.80 × 785,827.20
  4. Step 4: Simplify right side
    1,384,406.40x = 1,632,399,471,221.76
  5. Step 5: Solve for x
    x = 1,632,399,471,221.76/1,384,406.40
  6. Step 6: Final answer
    x = 1,179,133.14

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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.