Home / 1,210,748.45-1,816,112.95-452,781.23

Finding the Fourth Proportional to 1,210,748.45, 1,816,112.95 and 452,781.23

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Solution

The fourth proportional to 1,210,748.45, 1,816,112.95 and 452,781.23 is: 679,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,748.45 : 1,816,112.95 = 452,781.23 : x
  2. Step 2: Convert to fraction form
    1,210,748.45/1,816,112.95 = 452,781.23/x
  3. Step 3: Cross multiply
    1,210,748.45x = 1,816,112.95 × 452,781.23
  4. Step 4: Simplify right side
    1,210,748.45x = 822,301,845,107.41
  5. Step 5: Solve for x
    x = 822,301,845,107.41/1,210,748.45
  6. Step 6: Final answer
    x = 679,168.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.