Home / 1,925,390.72-2,657,007.36-1,065,932.48

Finding the Fourth Proportional to 1,925,390.72, 2,657,007.36 and 1,065,932.48

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Solution

The fourth proportional to 1,925,390.72, 2,657,007.36 and 1,065,932.48 is: 1,470,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,390.72 : 2,657,007.36 = 1,065,932.48 : x
  2. Step 2: Convert to fraction form
    1,925,390.72/2,657,007.36 = 1,065,932.48/x
  3. Step 3: Cross multiply
    1,925,390.72x = 2,657,007.36 × 1,065,932.48
  4. Step 4: Simplify right side
    1,925,390.72x = 2,832,190,444,623.05
  5. Step 5: Solve for x
    x = 2,832,190,444,623.05/1,925,390.72
  6. Step 6: Final answer
    x = 1,470,969.20

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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.