Home / 1,712,921.31-2,363,738.36-948,929.31

Finding the Fourth Proportional to 1,712,921.31, 2,363,738.36 and 948,929.31

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Solution

The fourth proportional to 1,712,921.31, 2,363,738.36 and 948,929.31 is: 1,309,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,921.31 : 2,363,738.36 = 948,929.31 : x
  2. Step 2: Convert to fraction form
    1,712,921.31/2,363,738.36 = 948,929.31/x
  3. Step 3: Cross multiply
    1,712,921.31x = 2,363,738.36 × 948,929.31
  4. Step 4: Simplify right side
    1,712,921.31x = 2,243,020,606,230.69
  5. Step 5: Solve for x
    x = 2,243,020,606,230.69/1,712,921.31
  6. Step 6: Final answer
    x = 1,309,470.90

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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.