Home / 1,500,519.64-2,070,717.02-821,456.14

Finding the Fourth Proportional to 1,500,519.64, 2,070,717.02 and 821,456.14

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Solution

The fourth proportional to 1,500,519.64, 2,070,717.02 and 821,456.14 is: 1,133,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,519.64 : 2,070,717.02 = 821,456.14 : x
  2. Step 2: Convert to fraction form
    1,500,519.64/2,070,717.02 = 821,456.14/x
  3. Step 3: Cross multiply
    1,500,519.64x = 2,070,717.02 × 821,456.14
  4. Step 4: Simplify right side
    1,500,519.64x = 1,701,003,210,281.50
  5. Step 5: Solve for x
    x = 1,701,003,210,281.50/1,500,519.64
  6. Step 6: Final answer
    x = 1,133,609.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.