Home / 1,323,520.16-1,984,312.32-424,450.16

Finding the Fourth Proportional to 1,323,520.16, 1,984,312.32 and 424,450.16

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Solution

The fourth proportional to 1,323,520.16, 1,984,312.32 and 424,450.16 is: 636,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,520.16 : 1,984,312.32 = 424,450.16 : x
  2. Step 2: Convert to fraction form
    1,323,520.16/1,984,312.32 = 424,450.16/x
  3. Step 3: Cross multiply
    1,323,520.16x = 1,984,312.32 × 424,450.16
  4. Step 4: Simplify right side
    1,323,520.16x = 842,241,681,713.97
  5. Step 5: Solve for x
    x = 842,241,681,713.97/1,323,520.16
  6. Step 6: Final answer
    x = 636,364.83

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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.