Home / 1,386,686.10-2,080,259.55-545,265.30

Finding the Fourth Proportional to 1,386,686.10, 2,080,259.55 and 545,265.30

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Solution

The fourth proportional to 1,386,686.10, 2,080,259.55 and 545,265.30 is: 817,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,686.10 : 2,080,259.55 = 545,265.30 : x
  2. Step 2: Convert to fraction form
    1,386,686.10/2,080,259.55 = 545,265.30/x
  3. Step 3: Cross multiply
    1,386,686.10x = 2,080,259.55 × 545,265.30
  4. Step 4: Simplify right side
    1,386,686.10x = 1,134,293,347,608.62
  5. Step 5: Solve for x
    x = 1,134,293,347,608.62/1,386,686.10
  6. Step 6: Final answer
    x = 817,988.55

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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.