Home / 959,624.96-1,431,678.40-863,971.52

Finding the Fourth Proportional to 959,624.96, 1,431,678.40 and 863,971.52

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Solution

The fourth proportional to 959,624.96, 1,431,678.40 and 863,971.52 is: 1,288,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,624.96 : 1,431,678.40 = 863,971.52 : x
  2. Step 2: Convert to fraction form
    959,624.96/1,431,678.40 = 863,971.52/x
  3. Step 3: Cross multiply
    959,624.96x = 1,431,678.40 × 863,971.52
  4. Step 4: Simplify right side
    959,624.96x = 1,236,929,363,399.17
  5. Step 5: Solve for x
    x = 1,236,929,363,399.17/959,624.96
  6. Step 6: Final answer
    x = 1,288,971.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.