Home / 1,336,691.31-2,005,003.67-390,070.23

Finding the Fourth Proportional to 1,336,691.31, 2,005,003.67 and 390,070.23

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Solution

The fourth proportional to 1,336,691.31, 2,005,003.67 and 390,070.23 is: 585,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,691.31 : 2,005,003.67 = 390,070.23 : x
  2. Step 2: Convert to fraction form
    1,336,691.31/2,005,003.67 = 390,070.23/x
  3. Step 3: Cross multiply
    1,336,691.31x = 2,005,003.67 × 390,070.23
  4. Step 4: Simplify right side
    1,336,691.31x = 782,092,240,757.39
  5. Step 5: Solve for x
    x = 782,092,240,757.39/1,336,691.31
  6. Step 6: Final answer
    x = 585,095.63

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1.5x scale

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.