Home / 1,008,088.73-1,512,133.10-688,754.33

Finding the Fourth Proportional to 1,008,088.73, 1,512,133.10 and 688,754.33

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Solution

The fourth proportional to 1,008,088.73, 1,512,133.10 and 688,754.33 is: 1,033,131.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,088.73 : 1,512,133.10 = 688,754.33 : x
  2. Step 2: Convert to fraction form
    1,008,088.73/1,512,133.10 = 688,754.33/x
  3. Step 3: Cross multiply
    1,008,088.73x = 1,512,133.10 × 688,754.33
  4. Step 4: Simplify right side
    1,008,088.73x = 1,041,488,220,161.32
  5. Step 5: Solve for x
    x = 1,041,488,220,161.32/1,008,088.73
  6. Step 6: Final answer
    x = 1,033,131.50

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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.