Home / 1,129,710.90-1,693,254.15-455,458.80

Finding the Fourth Proportional to 1,129,710.90, 1,693,254.15 and 455,458.80

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Solution

The fourth proportional to 1,129,710.90, 1,693,254.15 and 455,458.80 is: 682,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,710.90 : 1,693,254.15 = 455,458.80 : x
  2. Step 2: Convert to fraction form
    1,129,710.90/1,693,254.15 = 455,458.80/x
  3. Step 3: Cross multiply
    1,129,710.90x = 1,693,254.15 × 455,458.80
  4. Step 4: Simplify right side
    1,129,710.90x = 771,207,503,254.02
  5. Step 5: Solve for x
    x = 771,207,503,254.02/1,129,710.90
  6. Step 6: Final answer
    x = 682,659.17

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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.