Home / 1,072,440.30-1,606,210.74-511,868.46

Finding the Fourth Proportional to 1,072,440.30, 1,606,210.74 and 511,868.46

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Solution

The fourth proportional to 1,072,440.30, 1,606,210.74 and 511,868.46 is: 766,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,440.30 : 1,606,210.74 = 511,868.46 : x
  2. Step 2: Convert to fraction form
    1,072,440.30/1,606,210.74 = 511,868.46/x
  3. Step 3: Cross multiply
    1,072,440.30x = 1,606,210.74 × 511,868.46
  4. Step 4: Simplify right side
    1,072,440.30x = 822,168,617,919.26
  5. Step 5: Solve for x
    x = 822,168,617,919.26/1,072,440.30
  6. Step 6: Final answer
    x = 766,633.46

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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.