Home / 1,493,321.20-2,239,981.80-896,124.40

Finding the Fourth Proportional to 1,493,321.20, 2,239,981.80 and 896,124.40

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Solution

The fourth proportional to 1,493,321.20, 2,239,981.80 and 896,124.40 is: 1,344,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,321.20 : 2,239,981.80 = 896,124.40 : x
  2. Step 2: Convert to fraction form
    1,493,321.20/2,239,981.80 = 896,124.40/x
  3. Step 3: Cross multiply
    1,493,321.20x = 2,239,981.80 × 896,124.40
  4. Step 4: Simplify right side
    1,493,321.20x = 2,007,302,346,535.92
  5. Step 5: Solve for x
    x = 2,007,302,346,535.92/1,493,321.20
  6. Step 6: Final answer
    x = 1,344,186.60

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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.