Home / 1,465,128.90-2,198,021.40-566,490.60

Finding the Fourth Proportional to 1,465,128.90, 2,198,021.40 and 566,490.60

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Solution

The fourth proportional to 1,465,128.90, 2,198,021.40 and 566,490.60 is: 849,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,128.90 : 2,198,021.40 = 566,490.60 : x
  2. Step 2: Convert to fraction form
    1,465,128.90/2,198,021.40 = 566,490.60/x
  3. Step 3: Cross multiply
    1,465,128.90x = 2,198,021.40 × 566,490.60
  4. Step 4: Simplify right side
    1,465,128.90x = 1,245,158,461,698.84
  5. Step 5: Solve for x
    x = 1,245,158,461,698.84/1,465,128.90
  6. Step 6: Final answer
    x = 849,862.74

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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.