Home / 1,395,939.20-2,095,877.10-864,498.20

Finding the Fourth Proportional to 1,395,939.20, 2,095,877.10 and 864,498.20

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Solution

The fourth proportional to 1,395,939.20, 2,095,877.10 and 864,498.20 is: 1,297,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,939.20 : 2,095,877.10 = 864,498.20 : x
  2. Step 2: Convert to fraction form
    1,395,939.20/2,095,877.10 = 864,498.20/x
  3. Step 3: Cross multiply
    1,395,939.20x = 2,095,877.10 × 864,498.20
  4. Step 4: Simplify right side
    1,395,939.20x = 1,811,881,980,371.22
  5. Step 5: Solve for x
    x = 1,811,881,980,371.22/1,395,939.20
  6. Step 6: Final answer
    x = 1,297,966.26

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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.