Home / 1,340,934.18-2,009,189.19-772,792.47

Finding the Fourth Proportional to 1,340,934.18, 2,009,189.19 and 772,792.47

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Solution

The fourth proportional to 1,340,934.18, 2,009,189.19 and 772,792.47 is: 1,157,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,934.18 : 2,009,189.19 = 772,792.47 : x
  2. Step 2: Convert to fraction form
    1,340,934.18/2,009,189.19 = 772,792.47/x
  3. Step 3: Cross multiply
    1,340,934.18x = 2,009,189.19 × 772,792.47
  4. Step 4: Simplify right side
    1,340,934.18x = 1,552,686,276,837.40
  5. Step 5: Solve for x
    x = 1,552,686,276,837.40/1,340,934.18
  6. Step 6: Final answer
    x = 1,157,913.86

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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.