Home / 1,001,775.09-1,382,015.21-662,715.57

Finding the Fourth Proportional to 1,001,775.09, 1,382,015.21 and 662,715.57

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Solution

The fourth proportional to 1,001,775.09, 1,382,015.21 and 662,715.57 is: 914,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,775.09 : 1,382,015.21 = 662,715.57 : x
  2. Step 2: Convert to fraction form
    1,001,775.09/1,382,015.21 = 662,715.57/x
  3. Step 3: Cross multiply
    1,001,775.09x = 1,382,015.21 × 662,715.57
  4. Step 4: Simplify right side
    1,001,775.09x = 915,882,994,330.24
  5. Step 5: Solve for x
    x = 915,882,994,330.24/1,001,775.09
  6. Step 6: Final answer
    x = 914,260.10

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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.