Home / 1,345,395.59-2,018,500.80-480,717.27

Finding the Fourth Proportional to 1,345,395.59, 2,018,500.80 and 480,717.27

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Solution

The fourth proportional to 1,345,395.59, 2,018,500.80 and 480,717.27 is: 721,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,395.59 : 2,018,500.80 = 480,717.27 : x
  2. Step 2: Convert to fraction form
    1,345,395.59/2,018,500.80 = 480,717.27/x
  3. Step 3: Cross multiply
    1,345,395.59x = 2,018,500.80 × 480,717.27
  4. Step 4: Simplify right side
    1,345,395.59x = 970,328,194,068.82
  5. Step 5: Solve for x
    x = 970,328,194,068.82/1,345,395.59
  6. Step 6: Final answer
    x = 721,221.48

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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.