Home / 1,209,981.98-1,814,973.56-499,228.85

Finding the Fourth Proportional to 1,209,981.98, 1,814,973.56 and 499,228.85

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Solution

The fourth proportional to 1,209,981.98, 1,814,973.56 and 499,228.85 is: 748,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,981.98 : 1,814,973.56 = 499,228.85 : x
  2. Step 2: Convert to fraction form
    1,209,981.98/1,814,973.56 = 499,228.85/x
  3. Step 3: Cross multiply
    1,209,981.98x = 1,814,973.56 × 499,228.85
  4. Step 4: Simplify right side
    1,209,981.98x = 906,087,160,643.06
  5. Step 5: Solve for x
    x = 906,087,160,643.06/1,209,981.98
  6. Step 6: Final answer
    x = 748,843.52

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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.