Home / 1,780,400.48-2,456,949.38-964,625.00

Finding the Fourth Proportional to 1,780,400.48, 2,456,949.38 and 964,625.00

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Solution

The fourth proportional to 1,780,400.48, 2,456,949.38 and 964,625.00 is: 1,331,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,400.48 : 2,456,949.38 = 964,625.00 : x
  2. Step 2: Convert to fraction form
    1,780,400.48/2,456,949.38 = 964,625.00/x
  3. Step 3: Cross multiply
    1,780,400.48x = 2,456,949.38 × 964,625.00
  4. Step 4: Simplify right side
    1,780,400.48x = 2,370,034,778,574.63
  5. Step 5: Solve for x
    x = 2,370,034,778,574.63/1,780,400.48
  6. Step 6: Final answer
    x = 1,331,180.72

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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.