Home / 1,903,655.03-2,854,062.35-1,145,318.78

Finding the Fourth Proportional to 1,903,655.03, 2,854,062.35 and 1,145,318.78

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Solution

The fourth proportional to 1,903,655.03, 2,854,062.35 and 1,145,318.78 is: 1,717,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903,655.03 : 2,854,062.35 = 1,145,318.78 : x
  2. Step 2: Convert to fraction form
    1,903,655.03/2,854,062.35 = 1,145,318.78/x
  3. Step 3: Cross multiply
    1,903,655.03x = 2,854,062.35 × 1,145,318.78
  4. Step 4: Simplify right side
    1,903,655.03x = 3,268,811,210,154.50
  5. Step 5: Solve for x
    x = 3,268,811,210,154.50/1,903,655.03
  6. Step 6: Final answer
    x = 1,717,123.73

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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.