Home / 1,011,451.80-1,518,927.30-658,032.60

Finding the Fourth Proportional to 1,011,451.80, 1,518,927.30 and 658,032.60

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Solution

The fourth proportional to 1,011,451.80, 1,518,927.30 and 658,032.60 is: 988,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,451.80 : 1,518,927.30 = 658,032.60 : x
  2. Step 2: Convert to fraction form
    1,011,451.80/1,518,927.30 = 658,032.60/x
  3. Step 3: Cross multiply
    1,011,451.80x = 1,518,927.30 × 658,032.60
  4. Step 4: Simplify right side
    1,011,451.80x = 999,503,680,429.98
  5. Step 5: Solve for x
    x = 999,503,680,429.98/1,011,451.80
  6. Step 6: Final answer
    x = 988,187.16

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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.