Home / 1,119,093.90-1,680,390.45-646,701.90

Finding the Fourth Proportional to 1,119,093.90, 1,680,390.45 and 646,701.90

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Solution

The fourth proportional to 1,119,093.90, 1,680,390.45 and 646,701.90 is: 971,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,093.90 : 1,680,390.45 = 646,701.90 : x
  2. Step 2: Convert to fraction form
    1,119,093.90/1,680,390.45 = 646,701.90/x
  3. Step 3: Cross multiply
    1,119,093.90x = 1,680,390.45 × 646,701.90
  4. Step 4: Simplify right side
    1,119,093.90x = 1,086,711,696,756.86
  5. Step 5: Solve for x
    x = 1,086,711,696,756.86/1,119,093.90
  6. Step 6: Final answer
    x = 971,063.91

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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.