Home / 824,101.80-1,236,152.70-684,133.80

Finding the Fourth Proportional to 824,101.80, 1,236,152.70 and 684,133.80

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Solution

The fourth proportional to 824,101.80, 1,236,152.70 and 684,133.80 is: 1,026,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,101.80 : 1,236,152.70 = 684,133.80 : x
  2. Step 2: Convert to fraction form
    824,101.80/1,236,152.70 = 684,133.80/x
  3. Step 3: Cross multiply
    824,101.80x = 1,236,152.70 × 684,133.80
  4. Step 4: Simplify right side
    824,101.80x = 845,693,844,031.26
  5. Step 5: Solve for x
    x = 845,693,844,031.26/824,101.80
  6. Step 6: Final answer
    x = 1,026,200.70

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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.