Home / 1,743,392.31-2,615,114.70-663,964.53

Finding the Fourth Proportional to 1,743,392.31, 2,615,114.70 and 663,964.53

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Solution

The fourth proportional to 1,743,392.31, 2,615,114.70 and 663,964.53 is: 995,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743,392.31 : 2,615,114.70 = 663,964.53 : x
  2. Step 2: Convert to fraction form
    1,743,392.31/2,615,114.70 = 663,964.53/x
  3. Step 3: Cross multiply
    1,743,392.31x = 2,615,114.70 × 663,964.53
  4. Step 4: Simplify right side
    1,743,392.31x = 1,736,343,402,681.59
  5. Step 5: Solve for x
    x = 1,736,343,402,681.59/1,743,392.31
  6. Step 6: Final answer
    x = 995,956.79

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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.