Home / 1,145,265.93-1,717,615.05-387,090.59

Finding the Fourth Proportional to 1,145,265.93, 1,717,615.05 and 387,090.59

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Solution

The fourth proportional to 1,145,265.93, 1,717,615.05 and 387,090.59 is: 580,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,265.93 : 1,717,615.05 = 387,090.59 : x
  2. Step 2: Convert to fraction form
    1,145,265.93/1,717,615.05 = 387,090.59/x
  3. Step 3: Cross multiply
    1,145,265.93x = 1,717,615.05 × 387,090.59
  4. Step 4: Simplify right side
    1,145,265.93x = 664,872,625,455.96
  5. Step 5: Solve for x
    x = 664,872,625,455.96/1,145,265.93
  6. Step 6: Final answer
    x = 580,539.95

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1.5x scale

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.