Home / 1,498,718.90-2,068,230.62-810,389.11

Finding the Fourth Proportional to 1,498,718.90, 2,068,230.62 and 810,389.11

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Solution

The fourth proportional to 1,498,718.90, 2,068,230.62 and 810,389.11 is: 1,118,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,718.90 : 2,068,230.62 = 810,389.11 : x
  2. Step 2: Convert to fraction form
    1,498,718.90/2,068,230.62 = 810,389.11/x
  3. Step 3: Cross multiply
    1,498,718.90x = 2,068,230.62 × 810,389.11
  4. Step 4: Simplify right side
    1,498,718.90x = 1,676,071,571,416.55
  5. Step 5: Solve for x
    x = 1,676,071,571,416.55/1,498,718.90
  6. Step 6: Final answer
    x = 1,118,336.18

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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.