Home / 1,687,018.88-2,329,152.21-1,042,805.22

Finding the Fourth Proportional to 1,687,018.88, 2,329,152.21 and 1,042,805.22

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Solution

The fourth proportional to 1,687,018.88, 2,329,152.21 and 1,042,805.22 is: 1,439,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,018.88 : 2,329,152.21 = 1,042,805.22 : x
  2. Step 2: Convert to fraction form
    1,687,018.88/2,329,152.21 = 1,042,805.22/x
  3. Step 3: Cross multiply
    1,687,018.88x = 2,329,152.21 × 1,042,805.22
  4. Step 4: Simplify right side
    1,687,018.88x = 2,428,852,082,762.54
  5. Step 5: Solve for x
    x = 2,428,852,082,762.54/1,687,018.88
  6. Step 6: Final answer
    x = 1,439,730.24

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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.