Home / 1,218,607.26-1,681,618.23-674,727.90

Finding the Fourth Proportional to 1,218,607.26, 1,681,618.23 and 674,727.90

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Solution

The fourth proportional to 1,218,607.26, 1,681,618.23 and 674,727.90 is: 931,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,607.26 : 1,681,618.23 = 674,727.90 : x
  2. Step 2: Convert to fraction form
    1,218,607.26/1,681,618.23 = 674,727.90/x
  3. Step 3: Cross multiply
    1,218,607.26x = 1,681,618.23 × 674,727.90
  4. Step 4: Simplify right side
    1,218,607.26x = 1,134,634,736,929.62
  5. Step 5: Solve for x
    x = 1,134,634,736,929.62/1,218,607.26
  6. Step 6: Final answer
    x = 931,091.40

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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.