Home / 1,447,110-1,997,011.80-802,628.88

Finding the Fourth Proportional to 1,447,110, 1,997,011.80 and 802,628.88

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Solution

The fourth proportional to 1,447,110, 1,997,011.80 and 802,628.88 is: 1,107,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,110 : 1,997,011.80 = 802,628.88 : x
  2. Step 2: Convert to fraction form
    1,447,110/1,997,011.80 = 802,628.88/x
  3. Step 3: Cross multiply
    1,447,110x = 1,997,011.80 × 802,628.88
  4. Step 4: Simplify right side
    1,447,110x = 1,602,859,344,380.78
  5. Step 5: Solve for x
    x = 1,602,859,344,380.78/1,447,110
  6. Step 6: Final answer
    x = 1,107,627.85

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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.