Home / 1,706,957.88-2,560,818.12-642,009.16

Finding the Fourth Proportional to 1,706,957.88, 2,560,818.12 and 642,009.16

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Solution

The fourth proportional to 1,706,957.88, 2,560,818.12 and 642,009.16 is: 963,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,957.88 : 2,560,818.12 = 642,009.16 : x
  2. Step 2: Convert to fraction form
    1,706,957.88/2,560,818.12 = 642,009.16/x
  3. Step 3: Cross multiply
    1,706,957.88x = 2,560,818.12 × 642,009.16
  4. Step 4: Simplify right side
    1,706,957.88x = 1,644,068,694,538.77
  5. Step 5: Solve for x
    x = 1,644,068,694,538.77/1,706,957.88
  6. Step 6: Final answer
    x = 963,157.16

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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.