Home / 1,370,117.82-1,892,569.78-1,051,761.90

Finding the Fourth Proportional to 1,370,117.82, 1,892,569.78 and 1,051,761.90

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Solution

The fourth proportional to 1,370,117.82, 1,892,569.78 and 1,051,761.90 is: 1,452,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,117.82 : 1,892,569.78 = 1,051,761.90 : x
  2. Step 2: Convert to fraction form
    1,370,117.82/1,892,569.78 = 1,051,761.90/x
  3. Step 3: Cross multiply
    1,370,117.82x = 1,892,569.78 × 1,051,761.90
  4. Step 4: Simplify right side
    1,370,117.82x = 1,990,532,787,695.38
  5. Step 5: Solve for x
    x = 1,990,532,787,695.38/1,370,117.82
  6. Step 6: Final answer
    x = 1,452,818.70

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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.