Home / 1,488,104.89-2,054,021.80-971,937.69

Finding the Fourth Proportional to 1,488,104.89, 2,054,021.80 and 971,937.69

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Solution

The fourth proportional to 1,488,104.89, 2,054,021.80 and 971,937.69 is: 1,341,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,104.89 : 2,054,021.80 = 971,937.69 : x
  2. Step 2: Convert to fraction form
    1,488,104.89/2,054,021.80 = 971,937.69/x
  3. Step 3: Cross multiply
    1,488,104.89x = 2,054,021.80 × 971,937.69
  4. Step 4: Simplify right side
    1,488,104.89x = 1,996,381,203,777.01
  5. Step 5: Solve for x
    x = 1,996,381,203,777.01/1,488,104.89
  6. Step 6: Final answer
    x = 1,341,559.47

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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.