Home / 1,500,314-2,070,353.80-821,119.12

Finding the Fourth Proportional to 1,500,314, 2,070,353.80 and 821,119.12

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Solution

The fourth proportional to 1,500,314, 2,070,353.80 and 821,119.12 is: 1,133,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,314 : 2,070,353.80 = 821,119.12 : x
  2. Step 2: Convert to fraction form
    1,500,314/2,070,353.80 = 821,119.12/x
  3. Step 3: Cross multiply
    1,500,314x = 2,070,353.80 × 821,119.12
  4. Step 4: Simplify right side
    1,500,314x = 1,700,007,090,344.66
  5. Step 5: Solve for x
    x = 1,700,007,090,344.66/1,500,314
  6. Step 6: Final answer
    x = 1,133,100.86

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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.