Home / 1,071,400.06-1,607,082.37-431,688.18

Finding the Fourth Proportional to 1,071,400.06, 1,607,082.37 and 431,688.18

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Solution

The fourth proportional to 1,071,400.06, 1,607,082.37 and 431,688.18 is: 647,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,400.06 : 1,607,082.37 = 431,688.18 : x
  2. Step 2: Convert to fraction form
    1,071,400.06/1,607,082.37 = 431,688.18/x
  3. Step 3: Cross multiply
    1,071,400.06x = 1,607,082.37 × 431,688.18
  4. Step 4: Simplify right side
    1,071,400.06x = 693,758,470,790.97
  5. Step 5: Solve for x
    x = 693,758,470,790.97/1,071,400.06
  6. Step 6: Final answer
    x = 647,525.14

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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.