Home / 1,312,516.08-1,968,816.51-413,966.34

Finding the Fourth Proportional to 1,312,516.08, 1,968,816.51 and 413,966.34

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Solution

The fourth proportional to 1,312,516.08, 1,968,816.51 and 413,966.34 is: 620,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,516.08 : 1,968,816.51 = 413,966.34 : x
  2. Step 2: Convert to fraction form
    1,312,516.08/1,968,816.51 = 413,966.34/x
  3. Step 3: Cross multiply
    1,312,516.08x = 1,968,816.51 × 413,966.34
  4. Step 4: Simplify right side
    1,312,516.08x = 815,023,764,776.27
  5. Step 5: Solve for x
    x = 815,023,764,776.27/1,312,516.08
  6. Step 6: Final answer
    x = 620,962.88

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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.