Home / 1,341,381.36-2,012,272.10-442,918

Finding the Fourth Proportional to 1,341,381.36, 2,012,272.10 and 442,918

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Solution

The fourth proportional to 1,341,381.36, 2,012,272.10 and 442,918 is: 664,443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,381.36 : 2,012,272.10 = 442,918 : x
  2. Step 2: Convert to fraction form
    1,341,381.36/2,012,272.10 = 442,918/x
  3. Step 3: Cross multiply
    1,341,381.36x = 2,012,272.10 × 442,918
  4. Step 4: Simplify right side
    1,341,381.36x = 891,271,533,987.80
  5. Step 5: Solve for x
    x = 891,271,533,987.80/1,341,381.36
  6. Step 6: Final answer
    x = 664,443.06

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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.