Home / 1,355,552.91-1,870,652.31-782,908.83

Finding the Fourth Proportional to 1,355,552.91, 1,870,652.31 and 782,908.83

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Solution

The fourth proportional to 1,355,552.91, 1,870,652.31 and 782,908.83 is: 1,080,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,552.91 : 1,870,652.31 = 782,908.83 : x
  2. Step 2: Convert to fraction form
    1,355,552.91/1,870,652.31 = 782,908.83/x
  3. Step 3: Cross multiply
    1,355,552.91x = 1,870,652.31 × 782,908.83
  4. Step 4: Simplify right side
    1,355,552.91x = 1,464,550,211,358.90
  5. Step 5: Solve for x
    x = 1,464,550,211,358.90/1,355,552.91
  6. Step 6: Final answer
    x = 1,080,408.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.