Home / 1,315,813.20-1,973,790.24-417,323.16

Finding the Fourth Proportional to 1,315,813.20, 1,973,790.24 and 417,323.16

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Solution

The fourth proportional to 1,315,813.20, 1,973,790.24 and 417,323.16 is: 626,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,813.20 : 1,973,790.24 = 417,323.16 : x
  2. Step 2: Convert to fraction form
    1,315,813.20/1,973,790.24 = 417,323.16/x
  3. Step 3: Cross multiply
    1,315,813.20x = 1,973,790.24 × 417,323.16
  4. Step 4: Simplify right side
    1,315,813.20x = 823,708,380,133.96
  5. Step 5: Solve for x
    x = 823,708,380,133.96/1,315,813.20
  6. Step 6: Final answer
    x = 626,007.08

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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.