Home / 1,228,798.90-1,844,018.17-430,080.48

Finding the Fourth Proportional to 1,228,798.90, 1,844,018.17 and 430,080.48

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Solution

The fourth proportional to 1,228,798.90, 1,844,018.17 and 430,080.48 is: 645,407.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,798.90 : 1,844,018.17 = 430,080.48 : x
  2. Step 2: Convert to fraction form
    1,228,798.90/1,844,018.17 = 430,080.48/x
  3. Step 3: Cross multiply
    1,228,798.90x = 1,844,018.17 × 430,080.48
  4. Step 4: Simplify right side
    1,228,798.90x = 793,076,211,692.05
  5. Step 5: Solve for x
    x = 793,076,211,692.05/1,228,798.90
  6. Step 6: Final answer
    x = 645,407.65

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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.