Home / 972,006.20-1,458,009.30-672,403.40

Finding the Fourth Proportional to 972,006.20, 1,458,009.30 and 672,403.40

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Solution

The fourth proportional to 972,006.20, 1,458,009.30 and 672,403.40 is: 1,008,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,006.20 : 1,458,009.30 = 672,403.40 : x
  2. Step 2: Convert to fraction form
    972,006.20/1,458,009.30 = 672,403.40/x
  3. Step 3: Cross multiply
    972,006.20x = 1,458,009.30 × 672,403.40
  4. Step 4: Simplify right side
    972,006.20x = 980,370,410,551.62
  5. Step 5: Solve for x
    x = 980,370,410,551.62/972,006.20
  6. Step 6: Final answer
    x = 1,008,605.10

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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.