Home / 864,081.80-1,296,122.70-829,089.80

Finding the Fourth Proportional to 864,081.80, 1,296,122.70 and 829,089.80

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Solution

The fourth proportional to 864,081.80, 1,296,122.70 and 829,089.80 is: 1,243,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,081.80 : 1,296,122.70 = 829,089.80 : x
  2. Step 2: Convert to fraction form
    864,081.80/1,296,122.70 = 829,089.80/x
  3. Step 3: Cross multiply
    864,081.80x = 1,296,122.70 × 829,089.80
  4. Step 4: Simplify right side
    864,081.80x = 1,074,602,110,118.46
  5. Step 5: Solve for x
    x = 1,074,602,110,118.46/864,081.80
  6. Step 6: Final answer
    x = 1,243,634.70

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Double scale
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Similar ratio
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1.5x scale

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.