Home / 1,370,283.75-2,055,621.65-423,727.47

Finding the Fourth Proportional to 1,370,283.75, 2,055,621.65 and 423,727.47

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Solution

The fourth proportional to 1,370,283.75, 2,055,621.65 and 423,727.47 is: 635,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,283.75 : 2,055,621.65 = 423,727.47 : x
  2. Step 2: Convert to fraction form
    1,370,283.75/2,055,621.65 = 423,727.47/x
  3. Step 3: Cross multiply
    1,370,283.75x = 2,055,621.65 × 423,727.47
  4. Step 4: Simplify right side
    1,370,283.75x = 871,023,358,913.09
  5. Step 5: Solve for x
    x = 871,023,358,913.09/1,370,283.75
  6. Step 6: Final answer
    x = 635,651.82

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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.