Home / 1,097,852.60-1,646,780.76-721,152.80

Finding the Fourth Proportional to 1,097,852.60, 1,646,780.76 and 721,152.80

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Solution

The fourth proportional to 1,097,852.60, 1,646,780.76 and 721,152.80 is: 1,081,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,852.60 : 1,646,780.76 = 721,152.80 : x
  2. Step 2: Convert to fraction form
    1,097,852.60/1,646,780.76 = 721,152.80/x
  3. Step 3: Cross multiply
    1,097,852.60x = 1,646,780.76 × 721,152.80
  4. Step 4: Simplify right side
    1,097,852.60x = 1,187,580,556,060.13
  5. Step 5: Solve for x
    x = 1,187,580,556,060.13/1,097,852.60
  6. Step 6: Final answer
    x = 1,081,730.42

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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.