Home / 1,711,521.76-2,361,987.12-947,659.36

Finding the Fourth Proportional to 1,711,521.76, 2,361,987.12 and 947,659.36

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Solution

The fourth proportional to 1,711,521.76, 2,361,987.12 and 947,659.36 is: 1,307,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,521.76 : 2,361,987.12 = 947,659.36 : x
  2. Step 2: Convert to fraction form
    1,711,521.76/2,361,987.12 = 947,659.36/x
  3. Step 3: Cross multiply
    1,711,521.76x = 2,361,987.12 × 947,659.36
  4. Step 4: Simplify right side
    1,711,521.76x = 2,238,359,202,467.44
  5. Step 5: Solve for x
    x = 2,238,359,202,467.44/1,711,521.76
  6. Step 6: Final answer
    x = 1,307,818.14

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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.