Home / 1,117,890.63-1,677,218.67-477,930.69

Finding the Fourth Proportional to 1,117,890.63, 1,677,218.67 and 477,930.69

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Solution

The fourth proportional to 1,117,890.63, 1,677,218.67 and 477,930.69 is: 717,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,890.63 : 1,677,218.67 = 477,930.69 : x
  2. Step 2: Convert to fraction form
    1,117,890.63/1,677,218.67 = 477,930.69/x
  3. Step 3: Cross multiply
    1,117,890.63x = 1,677,218.67 × 477,930.69
  4. Step 4: Simplify right side
    1,117,890.63x = 801,594,276,233.98
  5. Step 5: Solve for x
    x = 801,594,276,233.98/1,117,890.63
  6. Step 6: Final answer
    x = 717,059.66

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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.