Home / 854,867.07-1,280,615.51-695,123.32

Finding the Fourth Proportional to 854,867.07, 1,280,615.51 and 695,123.32

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Solution

The fourth proportional to 854,867.07, 1,280,615.51 and 695,123.32 is: 1,041,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,867.07 : 1,280,615.51 = 695,123.32 : x
  2. Step 2: Convert to fraction form
    854,867.07/1,280,615.51 = 695,123.32/x
  3. Step 3: Cross multiply
    854,867.07x = 1,280,615.51 × 695,123.32
  4. Step 4: Simplify right side
    854,867.07x = 890,185,704,954.69
  5. Step 5: Solve for x
    x = 890,185,704,954.69/854,867.07
  6. Step 6: Final answer
    x = 1,041,314.77

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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.