Home / 1,629,070.10-2,443,722.01-430,978.19

Finding the Fourth Proportional to 1,629,070.10, 2,443,722.01 and 430,978.19

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Solution

The fourth proportional to 1,629,070.10, 2,443,722.01 and 430,978.19 is: 646,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,070.10 : 2,443,722.01 = 430,978.19 : x
  2. Step 2: Convert to fraction form
    1,629,070.10/2,443,722.01 = 430,978.19/x
  3. Step 3: Cross multiply
    1,629,070.10x = 2,443,722.01 × 430,978.19
  4. Step 4: Simplify right side
    1,629,070.10x = 1,053,190,888,732.96
  5. Step 5: Solve for x
    x = 1,053,190,888,732.96/1,629,070.10
  6. Step 6: Final answer
    x = 646,498.20

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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.