Home / 1,207,035.39-1,665,016.12-753,539.07

Finding the Fourth Proportional to 1,207,035.39, 1,665,016.12 and 753,539.07

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Solution

The fourth proportional to 1,207,035.39, 1,665,016.12 and 753,539.07 is: 1,039,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,035.39 : 1,665,016.12 = 753,539.07 : x
  2. Step 2: Convert to fraction form
    1,207,035.39/1,665,016.12 = 753,539.07/x
  3. Step 3: Cross multiply
    1,207,035.39x = 1,665,016.12 × 753,539.07
  4. Step 4: Simplify right side
    1,207,035.39x = 1,254,654,698,599.81
  5. Step 5: Solve for x
    x = 1,254,654,698,599.81/1,207,035.39
  6. Step 6: Final answer
    x = 1,039,451.46

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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.