Home / 821,199.51-1,125,024.56-790,497.21

Finding the Fourth Proportional to 821,199.51, 1,125,024.56 and 790,497.21

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Solution

The fourth proportional to 821,199.51, 1,125,024.56 and 790,497.21 is: 1,082,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,199.51 : 1,125,024.56 = 790,497.21 : x
  2. Step 2: Convert to fraction form
    821,199.51/1,125,024.56 = 790,497.21/x
  3. Step 3: Cross multiply
    821,199.51x = 1,125,024.56 × 790,497.21
  4. Step 4: Simplify right side
    821,199.51x = 889,328,771,908.99
  5. Step 5: Solve for x
    x = 889,328,771,908.99/821,199.51
  6. Step 6: Final answer
    x = 1,082,963.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.