Home / 1,118,002.68-1,543,802.64-1,081,850.16

Finding the Fourth Proportional to 1,118,002.68, 1,543,802.64 and 1,081,850.16

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Solution

The fourth proportional to 1,118,002.68, 1,543,802.64 and 1,081,850.16 is: 1,493,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,002.68 : 1,543,802.64 = 1,081,850.16 : x
  2. Step 2: Convert to fraction form
    1,118,002.68/1,543,802.64 = 1,081,850.16/x
  3. Step 3: Cross multiply
    1,118,002.68x = 1,543,802.64 × 1,081,850.16
  4. Step 4: Simplify right side
    1,118,002.68x = 1,670,163,125,373.41
  5. Step 5: Solve for x
    x = 1,670,163,125,373.41/1,118,002.68
  6. Step 6: Final answer
    x = 1,493,881.15

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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.