Home / 1,518,149.79-2,277,623.91-545,612.30

Finding the Fourth Proportional to 1,518,149.79, 2,277,623.91 and 545,612.30

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Solution

The fourth proportional to 1,518,149.79, 2,277,623.91 and 545,612.30 is: 818,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,149.79 : 2,277,623.91 = 545,612.30 : x
  2. Step 2: Convert to fraction form
    1,518,149.79/2,277,623.91 = 545,612.30/x
  3. Step 3: Cross multiply
    1,518,149.79x = 2,277,623.91 × 545,612.30
  4. Step 4: Simplify right side
    1,518,149.79x = 1,242,699,608,681.97
  5. Step 5: Solve for x
    x = 1,242,699,608,681.97/1,518,149.79
  6. Step 6: Final answer
    x = 818,561.92

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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.