Home / 767,123.46-1,153,207.74-711,633.45

Finding the Fourth Proportional to 767,123.46, 1,153,207.74 and 711,633.45

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Solution

The fourth proportional to 767,123.46, 1,153,207.74 and 711,633.45 is: 1,069,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,123.46 : 1,153,207.74 = 711,633.45 : x
  2. Step 2: Convert to fraction form
    767,123.46/1,153,207.74 = 711,633.45/x
  3. Step 3: Cross multiply
    767,123.46x = 1,153,207.74 × 711,633.45
  4. Step 4: Simplify right side
    767,123.46x = 820,661,202,582.90
  5. Step 5: Solve for x
    x = 820,661,202,582.90/767,123.46
  6. Step 6: Final answer
    x = 1,069,790.26

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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.