Home / 1,276,536.60-1,913,055.30-902,122.20

Finding the Fourth Proportional to 1,276,536.60, 1,913,055.30 and 902,122.20

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Solution

The fourth proportional to 1,276,536.60, 1,913,055.30 and 902,122.20 is: 1,351,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,536.60 : 1,913,055.30 = 902,122.20 : x
  2. Step 2: Convert to fraction form
    1,276,536.60/1,913,055.30 = 902,122.20/x
  3. Step 3: Cross multiply
    1,276,536.60x = 1,913,055.30 × 902,122.20
  4. Step 4: Simplify right side
    1,276,536.60x = 1,725,809,655,957.66
  5. Step 5: Solve for x
    x = 1,725,809,655,957.66/1,276,536.60
  6. Step 6: Final answer
    x = 1,351,946.87

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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.