Home / 1,518,152.80-2,277,628.42-545,615.30

Finding the Fourth Proportional to 1,518,152.80, 2,277,628.42 and 545,615.30

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Solution

The fourth proportional to 1,518,152.80, 2,277,628.42 and 545,615.30 is: 818,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,152.80 : 2,277,628.42 = 545,615.30 : x
  2. Step 2: Convert to fraction form
    1,518,152.80/2,277,628.42 = 545,615.30/x
  3. Step 3: Cross multiply
    1,518,152.80x = 2,277,628.42 × 545,615.30
  4. Step 4: Simplify right side
    1,518,152.80x = 1,242,708,913,666.83
  5. Step 5: Solve for x
    x = 1,242,708,913,666.83/1,518,152.80
  6. Step 6: Final answer
    x = 818,566.43

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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.