Home / 972,042.80-1,458,064.20-769,089.20

Finding the Fourth Proportional to 972,042.80, 1,458,064.20 and 769,089.20

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Solution

The fourth proportional to 972,042.80, 1,458,064.20 and 769,089.20 is: 1,153,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,042.80 : 1,458,064.20 = 769,089.20 : x
  2. Step 2: Convert to fraction form
    972,042.80/1,458,064.20 = 769,089.20/x
  3. Step 3: Cross multiply
    972,042.80x = 1,458,064.20 × 769,089.20
  4. Step 4: Simplify right side
    972,042.80x = 1,121,381,429,126.64
  5. Step 5: Solve for x
    x = 1,121,381,429,126.64/972,042.80
  6. Step 6: Final answer
    x = 1,153,633.80

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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.