Home / 1,658,266.60-2,488,014.30-661,709.80

Finding the Fourth Proportional to 1,658,266.60, 2,488,014.30 and 661,709.80

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Solution

The fourth proportional to 1,658,266.60, 2,488,014.30 and 661,709.80 is: 992,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,266.60 : 2,488,014.30 = 661,709.80 : x
  2. Step 2: Convert to fraction form
    1,658,266.60/2,488,014.30 = 661,709.80/x
  3. Step 3: Cross multiply
    1,658,266.60x = 2,488,014.30 × 661,709.80
  4. Step 4: Simplify right side
    1,658,266.60x = 1,646,343,444,850.14
  5. Step 5: Solve for x
    x = 1,646,343,444,850.14/1,658,266.60
  6. Step 6: Final answer
    x = 992,809.87

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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.