Home / 1,309,689.09-1,964,534.11-589,189.23

Finding the Fourth Proportional to 1,309,689.09, 1,964,534.11 and 589,189.23

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Solution

The fourth proportional to 1,309,689.09, 1,964,534.11 and 589,189.23 is: 883,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,689.09 : 1,964,534.11 = 589,189.23 : x
  2. Step 2: Convert to fraction form
    1,309,689.09/1,964,534.11 = 589,189.23/x
  3. Step 3: Cross multiply
    1,309,689.09x = 1,964,534.11 × 589,189.23
  4. Step 4: Simplify right side
    1,309,689.09x = 1,157,482,338,106.66
  5. Step 5: Solve for x
    x = 1,157,482,338,106.66/1,309,689.09
  6. Step 6: Final answer
    x = 883,784.06

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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.