Home / 1,168,962.61-1,606,975.86-1,005,015.13

Finding the Fourth Proportional to 1,168,962.61, 1,606,975.86 and 1,005,015.13

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Solution

The fourth proportional to 1,168,962.61, 1,606,975.86 and 1,005,015.13 is: 1,381,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,962.61 : 1,606,975.86 = 1,005,015.13 : x
  2. Step 2: Convert to fraction form
    1,168,962.61/1,606,975.86 = 1,005,015.13/x
  3. Step 3: Cross multiply
    1,168,962.61x = 1,606,975.86 × 1,005,015.13
  4. Step 4: Simplify right side
    1,168,962.61x = 1,615,035,061,034.47
  5. Step 5: Solve for x
    x = 1,615,035,061,034.47/1,168,962.61
  6. Step 6: Final answer
    x = 1,381,596.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.