Home / 1,521,438.12-2,282,536.32-456,499.80

Finding the Fourth Proportional to 1,521,438.12, 2,282,536.32 and 456,499.80

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Solution

The fourth proportional to 1,521,438.12, 2,282,536.32 and 456,499.80 is: 684,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,438.12 : 2,282,536.32 = 456,499.80 : x
  2. Step 2: Convert to fraction form
    1,521,438.12/2,282,536.32 = 456,499.80/x
  3. Step 3: Cross multiply
    1,521,438.12x = 2,282,536.32 × 456,499.80
  4. Step 4: Simplify right side
    1,521,438.12x = 1,041,977,373,572.74
  5. Step 5: Solve for x
    x = 1,041,977,373,572.74/1,521,438.12
  6. Step 6: Final answer
    x = 684,863.46

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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.