Home / 1,255,404.08-1,732,468.74-682,445.18

Finding the Fourth Proportional to 1,255,404.08, 1,732,468.74 and 682,445.18

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Solution

The fourth proportional to 1,255,404.08, 1,732,468.74 and 682,445.18 is: 941,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,404.08 : 1,732,468.74 = 682,445.18 : x
  2. Step 2: Convert to fraction form
    1,255,404.08/1,732,468.74 = 682,445.18/x
  3. Step 3: Cross multiply
    1,255,404.08x = 1,732,468.74 × 682,445.18
  4. Step 4: Simplify right side
    1,255,404.08x = 1,182,314,941,113.67
  5. Step 5: Solve for x
    x = 1,182,314,941,113.67/1,255,404.08
  6. Step 6: Final answer
    x = 941,780.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.