Home / 1,080,955.80-1,621,433.70-549,514.80

Finding the Fourth Proportional to 1,080,955.80, 1,621,433.70 and 549,514.80

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Solution

The fourth proportional to 1,080,955.80, 1,621,433.70 and 549,514.80 is: 824,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,955.80 : 1,621,433.70 = 549,514.80 : x
  2. Step 2: Convert to fraction form
    1,080,955.80/1,621,433.70 = 549,514.80/x
  3. Step 3: Cross multiply
    1,080,955.80x = 1,621,433.70 × 549,514.80
  4. Step 4: Simplify right side
    1,080,955.80x = 891,001,815,368.76
  5. Step 5: Solve for x
    x = 891,001,815,368.76/1,080,955.80
  6. Step 6: Final answer
    x = 824,272.20

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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.