Home / 1,008,254.60-1,391,489.40-753,162.92

Finding the Fourth Proportional to 1,008,254.60, 1,391,489.40 and 753,162.92

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Solution

The fourth proportional to 1,008,254.60, 1,391,489.40 and 753,162.92 is: 1,039,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,254.60 : 1,391,489.40 = 753,162.92 : x
  2. Step 2: Convert to fraction form
    1,008,254.60/1,391,489.40 = 753,162.92/x
  3. Step 3: Cross multiply
    1,008,254.60x = 1,391,489.40 × 753,162.92
  4. Step 4: Simplify right side
    1,008,254.60x = 1,048,018,219,653.05
  5. Step 5: Solve for x
    x = 1,048,018,219,653.05/1,008,254.60
  6. Step 6: Final answer
    x = 1,039,438.07

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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.