Home / 1,788,937.60-2,686,516.80-949,129.60

Finding the Fourth Proportional to 1,788,937.60, 2,686,516.80 and 949,129.60

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Solution

The fourth proportional to 1,788,937.60, 2,686,516.80 and 949,129.60 is: 1,425,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,937.60 : 2,686,516.80 = 949,129.60 : x
  2. Step 2: Convert to fraction form
    1,788,937.60/2,686,516.80 = 949,129.60/x
  3. Step 3: Cross multiply
    1,788,937.60x = 2,686,516.80 × 949,129.60
  4. Step 4: Simplify right side
    1,788,937.60x = 2,549,852,615,777.28
  5. Step 5: Solve for x
    x = 2,549,852,615,777.28/1,788,937.60
  6. Step 6: Final answer
    x = 1,425,344.64

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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.