Home / 1,002,080.55-1,502,071.07-647,844.87

Finding the Fourth Proportional to 1,002,080.55, 1,502,071.07 and 647,844.87

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Solution

The fourth proportional to 1,002,080.55, 1,502,071.07 and 647,844.87 is: 971,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,080.55 : 1,502,071.07 = 647,844.87 : x
  2. Step 2: Convert to fraction form
    1,002,080.55/1,502,071.07 = 647,844.87/x
  3. Step 3: Cross multiply
    1,002,080.55x = 1,502,071.07 × 647,844.87
  4. Step 4: Simplify right side
    1,002,080.55x = 973,109,033,835.69
  5. Step 5: Solve for x
    x = 973,109,033,835.69/1,002,080.55
  6. Step 6: Final answer
    x = 971,088.64

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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.