Home / 1,233,943.80-1,702,929.24-690,130.20

Finding the Fourth Proportional to 1,233,943.80, 1,702,929.24 and 690,130.20

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Solution

The fourth proportional to 1,233,943.80, 1,702,929.24 and 690,130.20 is: 952,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,943.80 : 1,702,929.24 = 690,130.20 : x
  2. Step 2: Convert to fraction form
    1,233,943.80/1,702,929.24 = 690,130.20/x
  3. Step 3: Cross multiply
    1,233,943.80x = 1,702,929.24 × 690,130.20
  4. Step 4: Simplify right side
    1,233,943.80x = 1,175,242,896,987.05
  5. Step 5: Solve for x
    x = 1,175,242,896,987.05/1,233,943.80
  6. Step 6: Final answer
    x = 952,428.22

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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.