Home / 972,187.80-1,458,281.70-636,264.60

Finding the Fourth Proportional to 972,187.80, 1,458,281.70 and 636,264.60

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Solution

The fourth proportional to 972,187.80, 1,458,281.70 and 636,264.60 is: 954,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,187.80 : 1,458,281.70 = 636,264.60 : x
  2. Step 2: Convert to fraction form
    972,187.80/1,458,281.70 = 636,264.60/x
  3. Step 3: Cross multiply
    972,187.80x = 1,458,281.70 × 636,264.60
  4. Step 4: Simplify right side
    972,187.80x = 927,853,022,537.82
  5. Step 5: Solve for x
    x = 927,853,022,537.82/972,187.80
  6. Step 6: Final answer
    x = 954,396.90

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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.