Home / 1,210,366.80-1,814,894.10-499,591.80

Finding the Fourth Proportional to 1,210,366.80, 1,814,894.10 and 499,591.80

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Solution

The fourth proportional to 1,210,366.80, 1,814,894.10 and 499,591.80 is: 749,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,366.80 : 1,814,894.10 = 499,591.80 : x
  2. Step 2: Convert to fraction form
    1,210,366.80/1,814,894.10 = 499,591.80/x
  3. Step 3: Cross multiply
    1,210,366.80x = 1,814,894.10 × 499,591.80
  4. Step 4: Simplify right side
    1,210,366.80x = 906,706,210,228.38
  5. Step 5: Solve for x
    x = 906,706,210,228.38/1,210,366.80
  6. Step 6: Final answer
    x = 749,116.89

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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.