Home / 1,262,803.16-1,743,083.66-1,005,152.72

Finding the Fourth Proportional to 1,262,803.16, 1,743,083.66 and 1,005,152.72

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Solution

The fourth proportional to 1,262,803.16, 1,743,083.66 and 1,005,152.72 is: 1,387,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,803.16 : 1,743,083.66 = 1,005,152.72 : x
  2. Step 2: Convert to fraction form
    1,262,803.16/1,743,083.66 = 1,005,152.72/x
  3. Step 3: Cross multiply
    1,262,803.16x = 1,743,083.66 × 1,005,152.72
  4. Step 4: Simplify right side
    1,262,803.16x = 1,752,065,282,036.56
  5. Step 5: Solve for x
    x = 1,752,065,282,036.56/1,262,803.16
  6. Step 6: Final answer
    x = 1,387,441.32

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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.