Home / 1,458,686.21-2,187,950.16-447,808.32

Finding the Fourth Proportional to 1,458,686.21, 2,187,950.16 and 447,808.32

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Solution

The fourth proportional to 1,458,686.21, 2,187,950.16 and 447,808.32 is: 671,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,686.21 : 2,187,950.16 = 447,808.32 : x
  2. Step 2: Convert to fraction form
    1,458,686.21/2,187,950.16 = 447,808.32/x
  3. Step 3: Cross multiply
    1,458,686.21x = 2,187,950.16 × 447,808.32
  4. Step 4: Simplify right side
    1,458,686.21x = 979,782,285,393.33
  5. Step 5: Solve for x
    x = 979,782,285,393.33/1,458,686.21
  6. Step 6: Final answer
    x = 671,688.18

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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.