Home / 1,265,814.66-1,746,478.76-721,752.02

Finding the Fourth Proportional to 1,265,814.66, 1,746,478.76 and 721,752.02

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Solution

The fourth proportional to 1,265,814.66, 1,746,478.76 and 721,752.02 is: 995,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,814.66 : 1,746,478.76 = 721,752.02 : x
  2. Step 2: Convert to fraction form
    1,265,814.66/1,746,478.76 = 721,752.02/x
  3. Step 3: Cross multiply
    1,265,814.66x = 1,746,478.76 × 721,752.02
  4. Step 4: Simplify right side
    1,265,814.66x = 1,260,524,572,917.10
  5. Step 5: Solve for x
    x = 1,260,524,572,917.10/1,265,814.66
  6. Step 6: Final answer
    x = 995,820.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.