Home / 1,047,966.26-1,571,550.41-688,040.88

Finding the Fourth Proportional to 1,047,966.26, 1,571,550.41 and 688,040.88

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Solution

The fourth proportional to 1,047,966.26, 1,571,550.41 and 688,040.88 is: 1,031,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,966.26 : 1,571,550.41 = 688,040.88 : x
  2. Step 2: Convert to fraction form
    1,047,966.26/1,571,550.41 = 688,040.88/x
  3. Step 3: Cross multiply
    1,047,966.26x = 1,571,550.41 × 688,040.88
  4. Step 4: Simplify right side
    1,047,966.26x = 1,081,290,927,857.29
  5. Step 5: Solve for x
    x = 1,081,290,927,857.29/1,047,966.26
  6. Step 6: Final answer
    x = 1,031,799.38

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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.