Home / 1,308,441.60-1,962,433.98-348,909.12

Finding the Fourth Proportional to 1,308,441.60, 1,962,433.98 and 348,909.12

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Solution

The fourth proportional to 1,308,441.60, 1,962,433.98 and 348,909.12 is: 523,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,441.60 : 1,962,433.98 = 348,909.12 : x
  2. Step 2: Convert to fraction form
    1,308,441.60/1,962,433.98 = 348,909.12/x
  3. Step 3: Cross multiply
    1,308,441.60x = 1,962,433.98 × 348,909.12
  4. Step 4: Simplify right side
    1,308,441.60x = 684,711,113,019.90
  5. Step 5: Solve for x
    x = 684,711,113,019.90/1,308,441.60
  6. Step 6: Final answer
    x = 523,302.77

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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.