Home / 1,406,723.28-2,110,079.80-775,304.40

Finding the Fourth Proportional to 1,406,723.28, 2,110,079.80 and 775,304.40

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Solution

The fourth proportional to 1,406,723.28, 2,110,079.80 and 775,304.40 is: 1,162,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,723.28 : 2,110,079.80 = 775,304.40 : x
  2. Step 2: Convert to fraction form
    1,406,723.28/2,110,079.80 = 775,304.40/x
  3. Step 3: Cross multiply
    1,406,723.28x = 2,110,079.80 × 775,304.40
  4. Step 4: Simplify right side
    1,406,723.28x = 1,635,954,153,291.12
  5. Step 5: Solve for x
    x = 1,635,954,153,291.12/1,406,723.28
  6. Step 6: Final answer
    x = 1,162,953.78

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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.