Home / 1,511,412.08-2,085,708.08-823,070.20

Finding the Fourth Proportional to 1,511,412.08, 2,085,708.08 and 823,070.20

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Solution

The fourth proportional to 1,511,412.08, 2,085,708.08 and 823,070.20 is: 1,135,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,412.08 : 2,085,708.08 = 823,070.20 : x
  2. Step 2: Convert to fraction form
    1,511,412.08/2,085,708.08 = 823,070.20/x
  3. Step 3: Cross multiply
    1,511,412.08x = 2,085,708.08 × 823,070.20
  4. Step 4: Simplify right side
    1,511,412.08x = 1,716,684,166,547.22
  5. Step 5: Solve for x
    x = 1,716,684,166,547.22/1,511,412.08
  6. Step 6: Final answer
    x = 1,135,814.77

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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.