Home / 1,145,364.66-1,581,394.05-715,837.86

Finding the Fourth Proportional to 1,145,364.66, 1,581,394.05 and 715,837.86

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Solution

The fourth proportional to 1,145,364.66, 1,581,394.05 and 715,837.86 is: 988,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,364.66 : 1,581,394.05 = 715,837.86 : x
  2. Step 2: Convert to fraction form
    1,145,364.66/1,581,394.05 = 715,837.86/x
  3. Step 3: Cross multiply
    1,145,364.66x = 1,581,394.05 × 715,837.86
  4. Step 4: Simplify right side
    1,145,364.66x = 1,132,021,732,568.73
  5. Step 5: Solve for x
    x = 1,132,021,732,568.73/1,145,364.66
  6. Step 6: Final answer
    x = 988,350.50

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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.