Home / 1,209,200.86-1,814,007.84-498,840.58

Finding the Fourth Proportional to 1,209,200.86, 1,814,007.84 and 498,840.58

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Solution

The fourth proportional to 1,209,200.86, 1,814,007.84 and 498,840.58 is: 748,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,200.86 : 1,814,007.84 = 498,840.58 : x
  2. Step 2: Convert to fraction form
    1,209,200.86/1,814,007.84 = 498,840.58/x
  3. Step 3: Cross multiply
    1,209,200.86x = 1,814,007.84 × 498,840.58
  4. Step 4: Simplify right side
    1,209,200.86x = 904,900,711,465.91
  5. Step 5: Solve for x
    x = 904,900,711,465.91/1,209,200.86
  6. Step 6: Final answer
    x = 748,346.07

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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.