Home / 1,488,063.86-2,052,771.08-972,119.76

Finding the Fourth Proportional to 1,488,063.86, 2,052,771.08 and 972,119.76

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Solution

The fourth proportional to 1,488,063.86, 2,052,771.08 and 972,119.76 is: 1,341,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,063.86 : 2,052,771.08 = 972,119.76 : x
  2. Step 2: Convert to fraction form
    1,488,063.86/2,052,771.08 = 972,119.76/x
  3. Step 3: Cross multiply
    1,488,063.86x = 2,052,771.08 × 972,119.76
  4. Step 4: Simplify right side
    1,488,063.86x = 1,995,539,324,763.94
  5. Step 5: Solve for x
    x = 1,995,539,324,763.94/1,488,063.86
  6. Step 6: Final answer
    x = 1,341,030.70

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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.