Home / 1,510,493.88-2,084,680.62-906,920.76

Finding the Fourth Proportional to 1,510,493.88, 2,084,680.62 and 906,920.76

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Solution

The fourth proportional to 1,510,493.88, 2,084,680.62 and 906,920.76 is: 1,251,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,493.88 : 2,084,680.62 = 906,920.76 : x
  2. Step 2: Convert to fraction form
    1,510,493.88/2,084,680.62 = 906,920.76/x
  3. Step 3: Cross multiply
    1,510,493.88x = 2,084,680.62 × 906,920.76
  4. Step 4: Simplify right side
    1,510,493.88x = 1,890,640,132,247.67
  5. Step 5: Solve for x
    x = 1,890,640,132,247.67/1,510,493.88
  6. Step 6: Final answer
    x = 1,251,670.17

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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.