Home / 1,336,513.40-1,844,412.42-724,686.80

Finding the Fourth Proportional to 1,336,513.40, 1,844,412.42 and 724,686.80

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Solution

The fourth proportional to 1,336,513.40, 1,844,412.42 and 724,686.80 is: 1,000,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,513.40 : 1,844,412.42 = 724,686.80 : x
  2. Step 2: Convert to fraction form
    1,336,513.40/1,844,412.42 = 724,686.80/x
  3. Step 3: Cross multiply
    1,336,513.40x = 1,844,412.42 × 724,686.80
  4. Step 4: Simplify right side
    1,336,513.40x = 1,336,621,334,530.06
  5. Step 5: Solve for x
    x = 1,336,621,334,530.06/1,336,513.40
  6. Step 6: Final answer
    x = 1,000,080.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.